{"id":69125,"date":"2024-05-20T09:10:27","date_gmt":"2024-05-20T02:10:27","guid":{"rendered":"https:\/\/itviec.com\/blog\/?p=69125"},"modified":"2025-11-14T11:34:19","modified_gmt":"2025-11-14T04:34:19","slug":"regex-tester","status":"publish","type":"post","link":"https:\/\/itviec.com\/blog\/regex-tester\/","title":{"rendered":"Regex tester l\u00e0 g\u00ec? Top 8 c\u00f4ng c\u1ee5 regex tester ph\u1ed5 bi\u1ebfn nh\u1ea5t"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed9i dung b\u00e0i vi\u1ebft<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/itviec.com\/blog\/regex-tester\/#Regex_tester_la_gi\" >Regex tester l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/itviec.com\/blog\/regex-tester\/#Cac_thanh_phan_cot_loi_khi_viet_regex\" >C\u00e1c th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i khi vi\u1ebft regex<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/itviec.com\/blog\/regex-tester\/#8_cong_cu_regex_tester_online_ma_tester_nen_biet\" >8 c\u00f4ng c\u1ee5 regex tester online m\u00e0 tester n\u00ean bi\u1ebft<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/itviec.com\/blog\/regex-tester\/#Cac_cau_hoi_thuong_gap_ve_regex_tester\" >C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 regex tester<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/itviec.com\/blog\/regex-tester\/#Tong_ket_regex_tester\" >T\u1ed5ng k\u1ebft regex tester<\/a><\/li><\/ul><\/nav><\/div>\n\n<p><b><i>Trong l\u0129nh v\u1ef1c l\u1eadp tr\u00ecnh v\u00e0 x\u1eed l\u00fd v\u0103n b\u1ea3n, bi\u1ec3u th\u1ee9c ch\u00ednh quy (regex) \u0111\u00f3ng vai tr\u00f2 l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd \u0111\u1ec3 kh\u1edbp m\u1eabu v\u00e0 thao t\u00e1c chu\u1ed7i. Tuy nhi\u00ean, vi\u1ec7c vi\u1ebft v\u00e0 ki\u1ec3m th\u1eed regex \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 l\u00e0 m\u1ed9t &#8220;th\u1eed th\u00e1ch&#8221; l\u1edbn \u0111\u1ed1i v\u1edbi Developer (v\u00ec s\u1ef1 kh\u00f3 nh\u1eb1n c\u1ee7a ch\u00fang). Ch\u00ednh v\u00ec th\u1ebf, c\u00e1c c\u00f4ng c\u1ee5 regex tester ra \u0111\u1eddi \u0111\u1ec3 h\u1ed7 tr\u1ee3 ph\u1ea7n vi\u1ec7c n\u00e0y.<\/i><\/b><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110\u1ecdc ngay b\u00e0i vi\u1ebft c\u1ee7a <\/span><span style=\"font-weight: 400;\">ITviec<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 bi\u1ebft th\u00eam v\u1ec1:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Regex tester l\u00e0 g\u00ec<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">C\u00fa ph\u00e1p regex tester trong c\u00e1c ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh kh\u00e1c nhau<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">C\u00e1c c\u00f4ng c\u1ee5 regex tester online m\u00e0 b\u1ea1n n\u00ean bi\u1ebft<\/span><\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>Tham kh\u1ea3o <a href=\"https:\/\/itviec.com\/it-jobs\/tester?utm_medium=anchor_text_high&amp;utm_source=blog&amp;utm_campaign=viec_lam_tester&amp;utm_content=regex_tester\" target=\"_blank\" rel=\"noreferrer noopener\">vi\u1ec7c l\u00e0m Tester<\/a> to\u00e0n qu\u1ed1c<\/strong><\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-regex-tester-la-gi\"><span class=\"ez-toc-section\" id=\"Regex_tester_la_gi\"><\/span><b>Regex tester l\u00e0 g\u00ec?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">Regex tester, hay c\u00f2n g\u1ecdi l\u00e0 tr\u00ecnh ki\u1ec3m th\u1eed bi\u1ec3u th\u1ee9c ch\u00ednh quy, l\u00e0 c\u00f4ng c\u1ee5 gi\u00fap b\u1ea1n ki\u1ec3m th\u1eed c\u00e1c bi\u1ec3u th\u1ee9c ch\u00ednh quy (regular expressions). Bi\u1ec3u th\u1ee9c ch\u00ednh quy l\u00e0 m\u1ed9t chu\u1ed7i c\u00e1c k\u00fd t\u1ef1 \u0111\u1eb7c bi\u1ec7t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u00ecm ki\u1ebfm v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c m\u1eabu trong v\u0103n b\u1ea3n.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">C\u00f4ng c\u1ee5 regex tester cung c\u1ea5p giao di\u1ec7n \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 ng\u01b0\u1eddi d\u00f9ng nh\u1eadp m\u1ed9t bi\u1ec3u th\u1ee9c ch\u00ednh quy c\u00f9ng v\u1edbi m\u1ed9t \u0111o\u1ea1n v\u0103n b\u1ea3n mu\u1ed1n ki\u1ec3m tra. Sau \u0111\u00f3, k\u1ebft qu\u1ea3 c\u1ee7a vi\u1ec7c \u00e1p d\u1ee5ng bi\u1ec3u th\u1ee9c ch\u00ednh quy \u0111\u00f3 l\u00ean v\u0103n b\u1ea3n th\u1eed nghi\u1ec7m s\u1ebd \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb \u0111\u1ec3 gi\u00fap b\u1ea1n ki\u1ec3m tra xem bi\u1ec3u th\u1ee9c c\u1ee7a m\u00ecnh c\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 mong \u0111\u1ee3i kh\u00f4ng v\u00e0 ti\u1ebfn h\u00e0nh debug bi\u1ec3u th\u1ee9c \u0111\u00f3 n\u1ebfu c\u1ea7n.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-cac-thanh-ph\u1ea7n-c\u1ed1t-loi-khi-vi\u1ebft-regex\"><span class=\"ez-toc-section\" id=\"Cac_thanh_phan_cot_loi_khi_viet_regex\"><\/span><b> C\u00e1c th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i khi vi\u1ebft regex<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">C\u00fa ph\u00e1p bi\u1ec3u th\u1ee9c ch\u00ednh quy thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh b\u1ea1n \u0111ang s\u1eed d\u1ee5ng. ITviec s\u1ebd t\u1ed5ng quan m\u1ed9t s\u1ed1 th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i khi vi\u1ebft c\u00fa ph\u00e1p regex c\u1ee7a 3 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh ph\u1ed5 bi\u1ebfn hi\u1ec7n nay l\u00e0 <\/span><a href=\"https:\/\/itviec.com\/blog\/java-la-gi\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Java<\/span><\/a><span style=\"font-weight: 400;\">, <\/span><a href=\"https:\/\/itviec.com\/blog\/javascript-la-gi\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">JavaScript<\/span><\/a><span style=\"font-weight: 400;\"> v\u00e0 <\/span><a href=\"https:\/\/itviec.com\/blog\/tai-lieu-lap-trinh-python\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Python<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-d\u1ed1i-v\u1edbi-java-regex\"><b> \u0110\u1ed1i v\u1edbi Java Regex<\/b><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-metacharacters\"><b>Metacharacters<\/b><\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Regex<\/strong><\/td><td><strong>N\u1ed9i dung<\/strong><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">.<\/span><\/td><td><span style=\"font-weight: 400;\">Kh\u1edbp v\u1edbi b\u1ea5t k\u1ef3 k\u00fd t\u1ef1 \u0111\u01a1n n\u00e0o ngo\u1ea1i tr\u1eeb c\u00e1c k\u00fd t\u1ef1 d\u00f2ng m\u1edbi<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">^<\/span><\/td><td><span style=\"font-weight: 400;\">So kh\u1edbp v\u1edbi ph\u1ea7n \u0111\u1ea7u c\u1ee7a m\u1ed9t chu\u1ed7i ho\u1eb7c m\u1ed9t d\u00f2ng<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">$<\/span><\/td><td><span style=\"font-weight: 400;\">So kh\u1edbp v\u1edbi ph\u1ea7n cu\u1ed1i c\u1ee7a chu\u1ed7i ho\u1eb7c d\u00f2ng<\/span><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-character-classes\"><b>Character Classes<\/b><\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Regex<\/strong><\/td><td><strong>N\u1ed9i dung<\/strong><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">[abc]<\/span><\/td><td><span style=\"font-weight: 400;\">Kh\u1edbp v\u1edbi b\u1ea5t k\u1ef3 k\u00ed t\u1ef1 n\u00e0o trong s\u1ed1 c\u00e1c k\u00ed t\u1ef1 a,b ho\u1eb7c c<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">[^abc]<\/span><\/td><td><span style=\"font-weight: 400;\">Ph\u1ee7 \u0111\u1ecbnh t\u1eadp h\u1ee3p, so kh\u1edbp v\u1edbi b\u1ea5t k\u1ef3 k\u00fd t\u1ef1 n\u00e0o kh\u00e1c ngo\u1ea1i tr\u1eeb a, b v\u00e0 c<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">[a-zA-Z]<\/span><\/td><td><span style=\"font-weight: 400;\">Ch\u1ec9 \u0111\u1ecbnh ph\u1ea1m vi, kh\u1edbp v\u1edbi b\u1ea5t k\u1ef3 k\u00fd t\u1ef1 n\u00e0o trong b\u1ea3ng ch\u1eef c\u00e1i t\u1eeb a \u0111\u1ebfn z ho\u1eb7c A \u0111\u1ebfn Z<\/span><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-predefined-character-classes\"><b>Predefined Character Classes<\/b><\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Regex<\/strong><\/td><td><strong>N\u1ed9i dung<\/strong><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">\\\\d<\/span><\/td><td><span style=\"font-weight: 400;\">So kh\u1edbp v\u1edbi b\u1ea5t k\u1ef3 ch\u1eef s\u1ed1 n\u00e0o, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi [0-9]<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">\\\\D<\/span><\/td><td><span style=\"font-weight: 400;\">So kh\u1edbp v\u1edbi b\u1ea5t k\u1ef3 k\u00fd t\u1ef1 kh\u00f4ng ph\u1ea3i l\u00e0 ch\u1eef s\u1ed1 n\u00e0o<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">\\\\s<\/span><\/td><td><span style=\"font-weight: 400;\">So kh\u1edbp v\u1edbi b\u1ea5t k\u1ef3 k\u00fd t\u1ef1 kho\u1ea3ng tr\u1eafng n\u00e0o<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">\\\\S<\/span><\/td><td><span style=\"font-weight: 400;\">So kh\u1edbp v\u1edbi b\u1ea5t k\u1ef3 k\u00fd t\u1ef1 kh\u00f4ng ph\u1ea3i kho\u1ea3ng tr\u1eafng n\u00e0o<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">\\\\w<\/span><\/td><td><span style=\"font-weight: 400;\">So kh\u1edbp v\u1edbi b\u1ea5t k\u1ef3 k\u00fd t\u1ef1 t\u1eeb n\u00e0o (ch\u1eef c\u00e1i, s\u1ed1 v\u00e0 d\u1ea5u g\u1ea1ch d\u01b0\u1edbi)<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">\\\\W<\/span><\/td><td><span style=\"font-weight: 400;\">So kh\u1edbp v\u1edbi b\u1ea5t k\u1ef3 k\u00fd t\u1ef1 kh\u00f4ng ph\u1ea3i t\u1eeb n\u00e0o<\/span><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-quantifiers\"><b>Quantifiers<\/b><\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Regex<\/strong><\/td><td><strong>N\u1ed9i dung<\/strong><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">&#8220;<\/span><\/td><td><span style=\"font-weight: 400;\">So kh\u1edbp v\u1edbi n\u1ed9i dung 0 l\u1ea7n xu\u1ea5t hi\u1ec7n tr\u1edf l\u00ean<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">+<\/span><\/td><td><span style=\"font-weight: 400;\">So kh\u1edbp v\u1edbi n\u1ed9i dung xu\u1ea5t hi\u1ec7n 1 ho\u1eb7c nhi\u1ec1u l\u1ea7n<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">?<\/span><\/td><td><span style=\"font-weight: 400;\">So kh\u1edbp v\u1edbi 0 ho\u1eb7c 1 l\u1ea7n xu\u1ea5t hi\u1ec7n<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">{n}<\/span><\/td><td><span style=\"font-weight: 400;\">Xu\u1ea5t hi\u1ec7n ch\u00ednh x\u00e1c v\u1edbi s\u1ed1 l\u01b0\u1ee3ng n l\u1ea7n<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">{n,}<\/span><\/td><td><span style=\"font-weight: 400;\">Xu\u1ea5t hi\u1ec7n \u00edt nh\u1ea5t l\u00e0 n l\u1ea7n<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">{n,m}<\/span><\/td><td><span style=\"font-weight: 400;\">S\u1ed1 l\u1ea7n xu\u1ea5t hi\u1ec7n n\u1eb1m trong kho\u1ea3ng t\u1eeb n \u0111\u1ebfn m<\/span><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-anchors-va-boundaries\"><b>Anchors v\u00e0 Boundaries<\/b><\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Regex<\/strong><\/td><td><strong>N\u1ed9i dung<\/strong><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">\\\\b<\/span><\/td><td><span style=\"font-weight: 400;\">Ranh gi\u1edbi c\u1ee7a m\u1ed9t t\u1eeb<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">\\\\B<\/span><\/td><td><span style=\"font-weight: 400;\">Kh\u00f4ng ph\u1ea3i ranh gi\u1edbi c\u1ee7a m\u1ed9t t\u1eeb<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">\\\\A<\/span><\/td><td><span style=\"font-weight: 400;\">B\u1eaft \u0111\u1ea7u chu\u1ed7i<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">\\\\\\\\Z<\/span><\/td><td><span style=\"font-weight: 400;\">K\u1ebft th\u00fac chu\u1ed7i ho\u1eb7c tr\u01b0\u1edbc d\u00f2ng m\u1edbi \u1edf cu\u1ed1i chu\u1ed7i<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">\\\\\\\\z<\/span><\/td><td><span style=\"font-weight: 400;\">K\u1ebft th\u00fac chu\u1ed7i<\/span><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><span style=\"font-weight: 400;\">Tham kh\u1ea3o th\u00eam: <\/span><strong><a href=\"https:\/\/itviec.com\/blog\/hoc-java-de-lam-gi\/\" target=\"_blank\" rel=\"noopener\">H\u1ecdc Java \u0111\u1ec3 l\u00e0m g\u00ec? C\u00e1c v\u1ecb tr\u00ed c\u00f3 th\u1ec3 l\u00e0m sau khi h\u1ecdc Java<\/a><\/strong><\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-d\u1ed1i-v\u1edbi-javascript-regex\"><b> \u0110\u1ed1i v\u1edbi JavaScript Regex<\/b><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-metacharacters-0\"><b>Metacharacters<\/b><\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Regex<\/strong><\/td><td><strong>N\u1ed9i dung<\/strong><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">.<\/span><\/td><td><span style=\"font-weight: 400;\">So kh\u1edbp v\u1edbi b\u1ea5t k\u1ef3 k\u00fd t\u1ef1 \u0111\u01a1n n\u00e0o<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">^<\/span><\/td><td><span style=\"font-weight: 400;\">Ki\u1ec3m tra b\u1eaft \u0111\u1ea7u c\u1ee7a m\u1ed9t d\u00f2ng ho\u1eb7c chu\u1ed7i<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">$<\/span><\/td><td><span style=\"font-weight: 400;\">Ki\u1ec3m tra k\u1ebft th\u00fac c\u1ee7a m\u1ed9t d\u00f2ng ho\u1eb7c chu\u1ed7i<\/span><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-character-classes-0\"><b>Character Classes<\/b><\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Regex<\/strong><\/td><td><strong>N\u1ed9i dung<\/strong><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">[abc]<\/span><\/td><td><span style=\"font-weight: 400;\">Kh\u1edbp v\u1edbi b\u1ea5t k\u1ef3 k\u00fd t\u1ef1 n\u00e0o trong s\u1ed1 c\u00e1c k\u00fd t\u1ef1 a, b v\u00e0 c<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">[^abc]<\/span><\/td><td><span style=\"font-weight: 400;\">Ph\u1ee7 \u0111\u1ecbnh t\u1eadp h\u1ee3p, kh\u1edbp v\u1edbi b\u1ea5t k\u1ef3 k\u00fd t\u1ef1 n\u00e0o ngo\u1ea1i tr\u1eeb a, b v\u00e0 c<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">[a-zA-Z]<\/span><\/td><td><span style=\"font-weight: 400;\">Ch\u1ec9 \u0111\u1ecbnh m\u1ed9t ph\u1ea1m vi, kh\u1edbp v\u1edbi b\u1ea5t k\u1ef3 ch\u1eef c\u00e1i n\u00e0o t\u1eeb a \u0111\u1ebfn z ho\u1eb7c A t\u1edbi Z<\/span><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-predefined-character-classes-0\"><b>Predefined Character Classes<\/b><\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Regex<\/strong><\/td><td><strong>N\u1ed9i dung<\/strong><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">\\\\d<\/span><\/td><td><span style=\"font-weight: 400;\">So kh\u1edbp v\u1edbi b\u1ea5t k\u1ef3 ch\u1eef s\u1ed1 n\u00e0o<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">\\\\D<\/span><\/td><td><span style=\"font-weight: 400;\">So kh\u1edbp v\u1edbi b\u1ea5t k\u1ef3 k\u00fd t\u1ef1 kh\u00f4ng ph\u1ea3i l\u00e0 ch\u1eef s\u1ed1 n\u00e0o<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">\\\\s<\/span><\/td><td><span style=\"font-weight: 400;\">So kh\u1edbp v\u1edbi b\u1ea5t k\u1ef3 k\u00fd t\u1ef1 kho\u1ea3ng tr\u1eafng n\u00e0o<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">\\\\S<\/span><\/td><td><span style=\"font-weight: 400;\">So kh\u1edbp v\u1edbi b\u1ea5t k\u1ef3 k\u00fd t\u1ef1 kh\u00f4ng ph\u1ea3i kho\u1ea3ng tr\u1eafng n\u00e0o<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">\\\\w<\/span><\/td><td><span style=\"font-weight: 400;\">So kh\u1edbp v\u1edbi b\u1ea5t k\u1ef3 k\u00fd t\u1ef1 t\u1eeb n\u00e0o (ch\u1eef, s\u1ed1 v\u00e0 d\u1ea5u g\u1ea1ch d\u01b0\u1edbi)<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">\\\\W<\/span><\/td><td><span style=\"font-weight: 400;\">Kh\u1edbp v\u1edbi b\u1ea5t k\u1ef3 k\u00fd t\u1ef1 kh\u00f4ng ph\u1ea3i ch\u1eef v\u00e0 s\u1ed1<\/span><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-quantifiers-0\"><b>Quantifiers<\/b><\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Regex<\/strong><\/td><td><strong>N\u1ed9i dung<\/strong><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">&#8220;<\/span><\/td><td><span style=\"font-weight: 400;\">Xu\u1ea5t hi\u1ec7n kh\u00f4ng ho\u1eb7c nhi\u1ec1u l\u1ea7n<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">+<\/span><\/td><td><span style=\"font-weight: 400;\">Xu\u1ea5t hi\u1ec7n m\u1ed9t ho\u1eb7c nhi\u1ec1u l\u1ea7n<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">?<\/span><\/td><td><span style=\"font-weight: 400;\">Xu\u1ea5t hi\u1ec7n kh\u00f4ng ho\u1eb7c m\u1ed9t l\u1ea7n<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">{n}<\/span><\/td><td><span style=\"font-weight: 400;\">Xu\u1ea5t hi\u1ec7n ch\u00ednh x\u00e1c n l\u1ea7n<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">{n,}<\/span><\/td><td><span style=\"font-weight: 400;\">Xu\u1ea5t hi\u1ec7n n l\u1ea7n ho\u1eb7c nhi\u1ec1u l\u1ea7n<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">{n,m}<\/span><\/td><td><span style=\"font-weight: 400;\">S\u1ed1 l\u1ea7n xu\u1ea5t hi\u1ec7n n\u1eb1m trong kho\u1ea3ng t\u1eeb n \u0111\u1ebfn m l\u1ea7n<\/span><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><b>Anchors v\u00e0 Boundaries<\/b><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Regex<\/strong><\/td><td><strong>N\u1ed9i dung<\/strong><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">\\\\b<\/span><\/td><td><span style=\"font-weight: 400;\">Ranh gi\u1edbi c\u1ee7a m\u1ed9t t\u1eeb<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">\\\\B<\/span><\/td><td><span style=\"font-weight: 400;\">Kh\u00f4ng ph\u1ea3i ranh gi\u1edbi c\u1ee7a m\u1ed9t t\u1eeb<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">\\\\A<\/span><\/td><td><span style=\"font-weight: 400;\">B\u1eaft \u0111\u1ea7u chu\u1ed7i<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">\\\\Z<\/span><\/td><td><span style=\"font-weight: 400;\">K\u1ebft th\u00fac chu\u1ed7i<\/span><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-d\u1ed1i-v\u1edbi-python-regex\"><b>\u0110\u1ed1i v\u1edbi Python Regex<\/b><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-metacharacters-1\"><b>Metacharacters<\/b><\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Regex<\/strong><\/td><td><strong>N\u1ed9i dung<\/strong><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">.<\/span><\/td><td><span style=\"font-weight: 400;\">Kh\u1edbp v\u1edbi b\u1ea5t k\u1ef3 k\u00fd t\u1ef1 n\u00e0o ngo\u1ea1i tr\u1eeb d\u00f2ng m\u1edbi<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">^<\/span><\/td><td><span style=\"font-weight: 400;\">So kh\u1edbp v\u1edbi ph\u1ea7n \u0111\u1ea7u c\u1ee7a m\u1ed9t chu\u1ed7i<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">$<\/span><\/td><td><span style=\"font-weight: 400;\">So kh\u1edbp v\u1edbi ph\u1ea7n cu\u1ed1i c\u1ee7a chu\u1ed7i ho\u1eb7c ngay tr\u01b0\u1edbc d\u00f2ng m\u1edbi \u1edf cu\u1ed1i<\/span><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-character-classes-1\"><b>Character Classes<\/b><\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Regex<\/strong><\/td><td><strong>N\u1ed9i dung<\/strong><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">[abc]<\/span><\/td><td><span style=\"font-weight: 400;\">Kh\u1edbp v\u1edbi b\u1ea5t k\u1ef3 k\u00fd t\u1ef1 n\u00e0o trong s\u1ed1 a, b v\u00e0 c<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">[^abc]<\/span><\/td><td><span style=\"font-weight: 400;\">Ph\u1ee7 \u0111\u1ecbnh t\u1eadp h\u1ee3p, kh\u1edbp v\u1edbi b\u1ea5t k\u1ef3 k\u00fd t\u1ef1 n\u00e0o ngo\u1ea1i tr\u1eeb a, b v\u00e0 c<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">[a-zA-Z]<\/span><\/td><td><span style=\"font-weight: 400;\">Kh\u1edbp v\u1edbi b\u1ea5t k\u1ef3 k\u00fd t\u1ef1 n\u00e0o trong b\u1ea3ng ch\u1eef c\u00e1i t\u1eeb a \u0111\u1ebfn z ho\u1eb7c A \u0111\u1ebfn Z<\/span><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-predefined-character-classes-1\"><b>Predefined Character Classes<\/b><\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Regex<\/strong><\/td><td><strong>N\u1ed9i dung<\/strong><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">\\\\d<\/span><\/td><td><span style=\"font-weight: 400;\">So kh\u1edbp v\u1edbi b\u1ea5t k\u1ef3 ch\u1eef s\u1ed1 n\u00e0o<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">\\\\D<\/span><\/td><td><span style=\"font-weight: 400;\">So kh\u1edbp v\u1edbi b\u1ea5t k\u1ef3 k\u00fd t\u1ef1 kh\u00f4ng ph\u1ea3i l\u00e0 ch\u1eef s\u1ed1 n\u00e0o<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">\\\\s<\/span><\/td><td><span style=\"font-weight: 400;\">So kh\u1edbp v\u1edbi b\u1ea5t k\u1ef3 k\u00fd t\u1ef1 kho\u1ea3ng tr\u1eafng n\u00e0o<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">\\\\S<\/span><\/td><td><span style=\"font-weight: 400;\">So kh\u1edbp v\u1edbi b\u1ea5t k\u1ef3 k\u00fd t\u1ef1 kh\u00f4ng ph\u1ea3i kho\u1ea3ng tr\u1eafng n\u00e0o<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">\\\\w<\/span><\/td><td><span style=\"font-weight: 400;\">So kh\u1edbp v\u1edbi b\u1ea5t k\u1ef3 k\u00ed t\u1ef1 t\u1eeb n\u00e0o (ch\u1eef, s\u1ed1 c\u1ed9ng v\u00e0 d\u1ea5u g\u1ea1ch d\u01b0\u1edbi)<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">\\\\W<\/span><\/td><td><span style=\"font-weight: 400;\">Kh\u1edbp v\u1edbi b\u1ea5t k\u1ef3 k\u00fd t\u1ef1 kh\u00f4ng ph\u1ea3i ch\u1eef v\u00e0 s\u1ed1<\/span><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-quantifiers-1\"><b>Quantifiers<\/b><\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Regex<\/strong><\/td><td><strong>N\u1ed9i dung<\/strong><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">&#8220;<\/span><\/td><td><span style=\"font-weight: 400;\">Kh\u1edbp v\u1edbi 0 l\u1ea7n xu\u1ea5t hi\u1ec7n tr\u1edf l\u00ean<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">+<\/span><\/td><td><span style=\"font-weight: 400;\">Kh\u1edbp v\u1edbi 1 ho\u1eb7c nhi\u1ec1u l\u1ea7n xu\u1ea5t hi\u1ec7n c\u1ee7a m\u1eabu trong chu\u1ed7i<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">?<\/span><\/td><td><span style=\"font-weight: 400;\">Kh\u1edbp 0 ho\u1eb7c 1 l\u1ea7n xu\u1ea5t hi\u1ec7n<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">{n}<\/span><\/td><td><span style=\"font-weight: 400;\">Xu\u1ea5t hi\u1ec7n ch\u00ednh x\u00e1c n l\u1ea7n<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">{n,}<\/span><\/td><td><span style=\"font-weight: 400;\">Xu\u1ea5t hi\u1ec7n \u00edt nh\u1ea5t n l\u1ea7n<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">{n,m}<\/span><\/td><td><span style=\"font-weight: 400;\">S\u1ed1 l\u1ea7n xu\u1ea5t hi\u1ec7n n\u1eb1m trong kho\u1ea3ng n v\u00e0 m<\/span><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-anchors-va-boundaries-0\"><b>Anchors v\u00e0 Boundaries<\/b><\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Regex<\/strong><\/td><td><strong>N\u1ed9i dung<\/strong><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">\\\\b<\/span><\/td><td><span style=\"font-weight: 400;\">Ranh gi\u1edbi c\u1ee7a m\u1ed9t t\u1eeb<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">\\\\B<\/span><\/td><td><span style=\"font-weight: 400;\">Kh\u00f4ng ph\u1ea3i ranh gi\u1edbi c\u1ee7a m\u1ed9t t\u1eeb<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">\\\\A<\/span><\/td><td><span style=\"font-weight: 400;\">B\u1eaft \u0111\u1ea7u chu\u1ed7i<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">\\\\Z<\/span><\/td><td><span style=\"font-weight: 400;\">K\u1ebft th\u00fac chu\u1ed7i<\/span><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Xem th\u00eam <a href=\"https:\/\/itviec.com\/it-jobs\/tester\/ho-chi-minh-hcm?utm_medium=anchor_text_mid&amp;utm_source=blog&amp;utm_campaign=viec_lam_tester&amp;utm_content=regex_tester\" target=\"_blank\" rel=\"noreferrer noopener\">vi\u1ec7c l\u00e0m Tester<\/a> t\u1ea1i TP. H\u1ed3 Ch\u00ed Minh<br>Xem th\u00eam <a href=\"https:\/\/itviec.com\/it-jobs\/tester\/ha-noi?utm_medium=anchor_text_mid&amp;utm_source=blog&amp;utm_campaign=viec_lam_tester&amp;utm_content=regex_tester\" target=\"_blank\" rel=\"noreferrer noopener\">vi\u1ec7c l\u00e0m Tester<\/a> t\u1ea1i H\u00e0 N\u1ed9i<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-8-cong-c\u1ee5-regex-tester-online-ma-tester-nen-bi\u1ebft\"><span class=\"ez-toc-section\" id=\"8_cong_cu_regex_tester_online_ma_tester_nen_biet\"><\/span><b>8 c\u00f4ng c\u1ee5 regex tester online m\u00e0 tester n\u00ean bi\u1ebft<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-regex-tester\"><b> Regex Tester<\/b><\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"2554\" height=\"1206\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-1-vippro.png\" alt=\"regex tester\" class=\"wp-image-69141\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-1-vippro.png 2554w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-1-vippro-300x142.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-1-vippro-1600x756.png 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-1-vippro-200x94.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-1-vippro-100x47.png 100w\" sizes=\"auto, (max-width: 2554px) 100vw, 2554px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p><a href=\"https:\/\/vi.piliapp.com\/regex-tester\/#php\" target=\"_blank\" rel=\"noopener\"><strong>C\u00f4ng c\u1ee5 n\u00e0y<\/strong><\/a><span style=\"font-weight: 400;\"> cung c\u1ea5p mi\u1ec5n ph\u00ed \u0111\u1ec3 ng\u01b0\u1eddi d\u00f9ng ki\u1ec3m th\u1eed bi\u1ec3u th\u1ee9c ch\u00ednh quy c\u1ee7a 3 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh l\u00e0 Javascript, PHP v\u00e0 Python.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Sau khi ch\u1ecdn ng\u00f4n ng\u1eef b\u1ea1n mu\u1ed1n s\u1eed d\u1ee5ng, h\u00e3y nh\u1eadp ho\u1eb7c d\u00e1n chu\u1ed7i ki\u1ec3m th\u1eed v\u00e0o \u00f4 \u201cTest String\u201d, sau \u0111\u00f3 nh\u1eadp c\u00e1c c\u00fa ph\u00e1p t\u01b0\u01a1ng \u1ee9ng v\u00e0o \u00f4 \u201cRegular Expression\u201d, k\u1ebft qu\u1ea3 s\u1ebd \u0111\u01b0\u1ee3c tr\u1ea3 v\u1ec1 t\u1ea1i \u00f4 b\u00ean ph\u1ea3i c\u1ee7a giao di\u1ec7n \u0111\u1ec3 b\u1ea1n d\u1ec5 d\u00e0ng quan s\u00e1t.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-online-regex-tester\"><a href=\"https:\/\/www.trackingplan.com\/regex-tester\" target=\"_blank\" rel=\"noopener\"><b>Online Regex Tester<\/b><\/a><\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"2540\" height=\"1394\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-online-tracking-plan-vippro.png\" alt=\"regex tester - trackingplan\" class=\"wp-image-69139\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-online-tracking-plan-vippro.png 2540w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-online-tracking-plan-vippro-300x165.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-online-tracking-plan-vippro-1600x878.png 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-online-tracking-plan-vippro-200x110.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-online-tracking-plan-vippro-100x55.png 100w\" sizes=\"auto, (max-width: 2540px) 100vw, 2540px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Online Regex Tester<\/span><span style=\"font-weight: 400;\"> l\u00e0 c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3 b\u1ea1n d\u00f9ng \u0111\u1ec3 ki\u1ec3m th\u1eed v\u00e0 x\u00e1c th\u1ef1c c\u00e1c bi\u1ec3u th\u1ee9c ch\u00ednh quy trong ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh JavaScript m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng theo th\u1eddi gian th\u1ef1c. Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m n\u00e0y mi\u1ec5n ph\u00ed b\u1eb1ng c\u00e1ch \u0111\u0103ng k\u00fd t\u00e0i kho\u1ea3n s\u1eed d\u1ee5ng.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Giao di\u1ec7n c\u1ee7a Online Regex Tester c\u0169ng t\u01b0\u01a1ng \u0111\u1ed1i \u0111\u01a1n gi\u1ea3n, b\u1ea1n ch\u1ec9 c\u1ea7n nh\u1eadp ho\u1eb7c d\u00e1n bi\u1ec3u th\u1ee9c ch\u00ednh quy v\u00e0o \u00f4 th\u00f4ng tin v\u00e0 chu\u1ed7i m\u1eabu \u0111\u1ec3 ki\u1ec3m tra regex tester. M\u1eabu Regex th\u1ec3 hi\u1ec7n b\u1eb1ng 2 m\u00e0u s\u1eafc: m\u00e0u xanh l\u00e1 (m\u1eabu h\u1ee3p l\u1ec7) v\u00e0 m\u1eabu \u0111\u1ecf (m\u1eabu kh\u00f4ng h\u1ee3p l\u1ec7). K\u1ebft qu\u1ea3 tr\u1ea3 v\u1ec1 s\u1ebd \u0111\u01b0\u1ee3c bi\u1ec3u hi\u1ec7n b\u1eb1ng hai m\u00e0u s\u1eafc g\u1ed3m: Xanh l\u00e1 (m\u1eabu kh\u1edbp v\u1edbi gi\u00e1 tr\u1ecb) v\u00e0 \u0110\u1ecf (m\u1eabu kh\u00f4ng kh\u1edbp v\u1edbi gi\u00e1 tr\u1ecb).<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-regex-tester-elixir-stream\"><a href=\"https:\/\/elixirstream.dev\/regex\" target=\"_blank\" rel=\"noopener\"><b>Regex Tester (Elixir Stream)<\/b><\/a><\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"2546\" height=\"1388\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-Elixir-Stream-vippro.jpg\" alt=\"regex tester - Elixir Stream\" class=\"wp-image-69140\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-Elixir-Stream-vippro.jpg 2546w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-Elixir-Stream-vippro-300x164.jpg 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-Elixir-Stream-vippro-1600x872.jpg 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-Elixir-Stream-vippro-200x109.jpg 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-Elixir-Stream-vippro-100x55.jpg 100w\" sizes=\"auto, (max-width: 2546px) 100vw, 2546px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 c\u00f4ng c\u1ee5 ki\u1ec3m th\u1eed regex tester d\u00e0nh ri\u00eang cho ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh c\u1ea5p cao Elixir v\u00e0 \u0111\u01b0\u1ee3c cung c\u1ea5p m\u1ed9t c\u00e1ch mi\u1ec5n ph\u00ed.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Tr\u00ecnh ki\u1ec3m tra regex n\u00e0y<\/span><span style=\"font-weight: 400;\"> \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi giao di\u1ec7n c\u1ef1c k\u1ef3 \u0111\u01a1n gi\u1ea3n, g\u1ed3m c\u00e1c tr\u01b0\u1eddng nh\u01b0 Regex, String, Flags \u0111\u1ec3 b\u1ea1n d\u00e1n c\u00e1c chu\u1ed7i v\u00e0 c\u00fa ph\u00e1p t\u01b0\u01a1ng \u1ee9ng \u0111\u1ec3 ti\u1ebfn h\u00e0nh so kh\u1edbp c\u00e1c th\u00f4ng tin.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-cyrilex\"><a href=\"https:\/\/extendsclass.com\/regex-tester.html\" target=\"_blank\" rel=\"noopener\"><b>CyrilEx<\/b><\/a><\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"2548\" height=\"1346\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-CyrilEx-vippro.png\" alt=\"regex tester - CyrilEx\" class=\"wp-image-69138\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-CyrilEx-vippro.png 2548w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-CyrilEx-vippro-300x158.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-CyrilEx-vippro-1600x845.png 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-CyrilEx-vippro-200x106.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-CyrilEx-vippro-100x53.png 100w\" sizes=\"auto, (max-width: 2548px) 100vw, 2548px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">CyrilEx<\/span><span style=\"font-weight: 400;\"> l\u00e0 m\u1ed9t tr\u00ecnh ki\u1ec3m tra v\u00e0 debug bi\u1ec3u th\u1ee9c ch\u00ednh quy tr\u1ef1c tuy\u1ebfn v\u00e0 mi\u1ec5n ph\u00ed. C\u00f4ng c\u1ee5 n\u00e0y t\u01b0\u01a1ng th\u00edch v\u1edbi nhi\u1ec1u ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh kh\u00e1c nhau nh\u01b0 JavaScript, Java, Python, Ruby, PHP v\u00e0 MySQL 8.0.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 regex tester n\u00e0y, b\u1ea1n t\u00edch ch\u1ecdn m\u1ed9t trong c\u00e1c ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3, d\u00e1n ho\u1eb7c nh\u1eadp tr\u1ef1c ti\u1ebfp bi\u1ec3u th\u1ee9c ch\u00ednh quy v\u00e0o tr\u01b0\u1eddng \u201cRegular expression to test\u201d, b\u1ea1n c\u00f3 th\u1ec3 l\u1ef1a ch\u1ecdn c\u00e1c Flags \u1edf \u00f4 b\u00ean c\u1ea1nh, ti\u1ebfp theo l\u00e0 d\u00e1n ho\u1eb7c nh\u1eadp chu\u1ed7i th\u1eed nghi\u1ec7m v\u00e0o tr\u01b0\u1eddng \u201cString to test\u201d th\u00ec h\u1ec7 th\u1ed1ng s\u1ebd ti\u1ebfn h\u00e0nh ki\u1ec3m th\u1eed cho b\u1ea1n.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-akto-s-java-regex-tester\"><a href=\"https:\/\/www.akto.io\/tools\/java-regex-tester\" target=\"_blank\" rel=\"noopener\"><b>Akto&#8217;s Java Regex Tester<\/b><\/a><\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"2548\" height=\"1390\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-akto-vippro.jpg\" alt=\"\" class=\"wp-image-69137\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-akto-vippro.jpg 2548w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-akto-vippro-300x164.jpg 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-akto-vippro-1600x873.jpg 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-akto-vippro-200x109.jpg 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-akto-vippro-100x55.jpg 100w\" sizes=\"auto, (max-width: 2548px) 100vw, 2548px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">C\u00f4ng c\u1ee5 <\/span><span style=\"font-weight: 400;\">Akto&#8217;s Java Regex Tester<\/span><span style=\"font-weight: 400;\"> l\u00e0 ph\u1ea7n m\u1ec1m mi\u1ec5n ph\u00ed gi\u00fap b\u1ea1n ki\u1ec3m tra v\u00e0 debug c\u00e1c bi\u1ec3u th\u1ee9c ch\u00ednh quy \u0111\u01b0\u1ee3c vi\u1ebft b\u1eb1ng ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh Golang, Python, Java v\u00e0 JavaScript.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Sau khi ch\u1ecdn ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh mu\u1ed1n s\u1eed d\u1ee5ng, ng\u01b0\u1eddi d\u00f9ng ch\u1ec9 c\u1ea7n nh\u1eadp ho\u1eb7c d\u00e1n regex v\u00e0o \u00f4 \u201cRegular expression\u201d, nh\u1eadp chu\u1ed7i th\u1eed nghi\u1ec7m v\u00e0o \u00f4 \u201cTest String\u201d v\u00e0 xem k\u1ebft qu\u1ea3 so kh\u1edbp. C\u00e1c k\u1ebft qu\u1ea3 tr\u1ea3 v\u1ec1 ph\u00f9 h\u1ee3p s\u1ebd \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb v\u1edbi m\u00e0u xanh nh\u1ea1t \u0111\u1ec3 b\u1ea1n d\u1ec5 quan s\u00e1t.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-regexr\"><a href=\"https:\/\/regexr.com\/\" target=\"_blank\" rel=\"noopener\"><b>Regexr<\/b><\/a><\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"2554\" height=\"1380\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-regexr-vippro.png\" alt=\"regex tester - regexr\" class=\"wp-image-69136\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-regexr-vippro.png 2554w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-regexr-vippro-300x162.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-regexr-vippro-1600x865.png 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-regexr-vippro-200x108.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-regexr-vippro-100x54.png 100w\" sizes=\"auto, (max-width: 2554px) 100vw, 2554px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Regexr<\/span><span style=\"font-weight: 400;\"> c\u0169ng l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 tr\u1ef1c tuy\u1ebfn mi\u1ec5n ph\u00ed gi\u00fap b\u1ea1n x\u00e2y d\u1ef1ng v\u00e0 ki\u1ec3m th\u1eed c\u00e1c bi\u1ec3u th\u1ee9c ch\u00ednh quy trong ng\u00f4n ng\u1eef JavaScript v\u00e0 PHP\/PCRE.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">B\u00ean c\u1ea1nh vi\u1ec7c cung c\u1ea5p c\u00e1c k\u1ebft qu\u1ea3 c\u1ee7a chu\u1ed7i ki\u1ec3m th\u1eed th\u00ec c\u00f4ng c\u1ee5 n\u00e0y c\u00f2n cung c\u1ea5p cho ng\u01b0\u1eddi d\u00f9ng ch\u1ee9c n\u0103ng l\u01b0u v\u00e0 chia s\u1ebb k\u1ebft qu\u1ea3 c\u1ee7a bi\u1ec3u th\u1ee9c v\u1edbi m\u1ecdi ng\u01b0\u1eddi. \u0110\u1ed3ng th\u1eddi, n\u1ebfu c\u00f3 sai s\u00f3t trong qu\u00e1 tr\u00ecnh ki\u1ec3m tra th\u00ec b\u1ea1n c\u0169ng d\u1ec5 d\u00e0ng thao t\u00e1c l\u1ea1i b\u1eb1ng t\u1ed5 h\u1ee3p Ctrl Z\/Y trong tr\u00ecnh ch\u1ec9nh s\u1eeda.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-regex101\"><a href=\"https:\/\/regex101.com\/\" target=\"_blank\" rel=\"noopener\"><b>Regex101<\/b><\/a><\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"2554\" height=\"1386\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-regex101-vippro.png\" alt=\"regex tester - regex101\" class=\"wp-image-69135\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-regex101-vippro.png 2554w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-regex101-vippro-300x163.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-regex101-vippro-1600x868.png 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-regex101-vippro-200x109.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-regex101-vippro-100x54.png 100w\" sizes=\"auto, (max-width: 2554px) 100vw, 2554px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Regex101<\/span><span style=\"font-weight: 400;\"> l\u00e0 c\u00f4ng c\u1ee5 tuy\u1ec7t v\u1eddi cho c\u00e1c Tester khi cung c\u1ea5p ch\u1ee9c n\u0103ng ki\u1ec3m th\u1eed regex mi\u1ec5n ph\u00ed cho nhi\u1ec1u ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh kh\u00e1c nhau nh\u01b0 PCRE2, JavaScript, Python, Golang, Java 8, NET 7.0 v\u00e0 Rust.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Giao di\u1ec7n c\u1ee7a c\u00f4ng c\u1ee5 c\u0169ng g\u1ed3m c\u00e1c tr\u01b0\u1eddng th\u00f4ng d\u1ee5ng nh\u01b0 Regular expression v\u00e0 Test String \u0111\u1ec3 ng\u01b0\u1eddi d\u00f9ng nh\u1eadp d\u1eef li\u1ec7u v\u00e0 ki\u1ec3m tra. B\u00ean c\u1ea1nh \u0111\u00f3, n\u1ebfu b\u1ea1n \u0111\u0103ng k\u00fd t\u00e0i kho\u1ea3n s\u1eed d\u1ee5ng tr\u00ean n\u1ec1n t\u1ea3ng n\u00e0y th\u00ec s\u1ebd \u0111\u01b0\u1ee3c cung c\u1ea5p th\u00eam t\u00ednh n\u0103ng l\u01b0u v\u00e0 chia s\u1ebb k\u1ebft qu\u1ea3 ki\u1ec3m th\u1eed \u0111\u1ebfn cho m\u1ecdi ng\u01b0\u1eddi.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-regex-tester-test-regular-expressions\"><a href=\"https:\/\/apps.microsoft.com\/detail\/9P8M84NNMP76?hl=vi-VN&amp;gl=US\" target=\"_blank\" rel=\"noopener\"><b>Regex Tester &#8211; Test Regular Expressions<\/b><\/a><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Regex Tester &#8211; Test Regular Expressions<\/span><span style=\"font-weight: 400;\"> l\u00e0 \u1ee9ng d\u1ee5ng gi\u00fap b\u1ea1n ki\u1ec3m tra c\u00e1c bi\u1ec3u th\u1ee9c ch\u00ednh quy \u0111\u1ec3 xem ch\u00fang c\u00f3 ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c hay kh\u00f4ng. Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 t\u1ea3i ph\u1ea7n m\u1ec1m v\u1ec1 m\u00e1y t\u00ednh (h\u1ec7 \u0111i\u1ec1u h\u00e0nh Windows 10 phi\u00ean b\u1ea3n 18362.0 tr\u1edf l\u00ean) \u0111\u1ec3 s\u1eed d\u1ee5ng v\u1edbi m\u1ee9c gi\u00e1 0,99 USD.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Regex Tester &#8211; Test Regular Expressions cung c\u1ea5p giao di\u1ec7n s\u1eed d\u1ee5ng \u0111\u01a1n gi\u1ea3n, b\u1ea1n ch\u1ec9 c\u1ea7n d\u00e1n n\u1ed9i dung mu\u1ed1n ki\u1ec3m tra v\u00e0o ph\u1ea7n \u201cTest Text\u201d, sau \u0111\u00f3 nh\u1eadp c\u00e1c c\u00fa ph\u00e1p mu\u1ed1n ki\u1ec3m tra v\u00e0o ph\u1ea7n \u201cEnter Regular expression\u201d v\u00e0 ch\u1ecdn \u201cEvaluate\u201d l\u00e0 s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 so kh\u1edbp.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-cac-cau-h\u1ecfi-th\u01b0\u1eddng-g\u1eb7p-v\u1ec1-regex-tester\"><span class=\"ez-toc-section\" id=\"Cac_cau_hoi_thuong_gap_ve_regex_tester\"><\/span><b>C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 regex tester<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-regex-tester-co-phan-bi\u1ec7t-ch\u1eef-hoa-ch\u1eef-th\u01b0\u1eddng-khong\"><b>Regex tester c\u00f3 ph\u00e2n bi\u1ec7t ch\u1eef hoa ch\u1eef th\u01b0\u1eddng kh\u00f4ng?<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Theo m\u1eb7c \u0111\u1ecbnh, c\u00e1c bi\u1ec3u th\u1ee9c ch\u00ednh quy c\u00f3 ph\u00e2n bi\u1ec7t ch\u1eef hoa v\u00e0 ch\u1eef th\u01b0\u1eddng trong c\u00e1c regex tester. Tuy nhi\u00ean, m\u1ed9t s\u1ed1 c\u00f4ng c\u1ee5 c\u00f3 th\u1ec3 cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng thi\u1ebft l\u1eadp l\u1ea1i ch\u1ebf \u0111\u1ed9 kh\u00f4ng ph\u00e2n bi\u1ec7t ch\u1eef hoa ch\u1eef th\u01b0\u1eddng. B\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o ph\u1ea7n c\u00e0i \u0111\u1eb7t c\u1ee7a c\u00e1c c\u00f4ng c\u1ee5 \u0111\u1ec3 b\u1eadt c\u00e0i \u0111\u1eb7t n\u00e0y n\u1ebfu mu\u1ed1n \u00e1p d\u1ee5ng.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-dung-regex-tester-d\u1ec3-lam-gi\"><b>D\u00f9ng regex tester \u0111\u1ec3 l\u00e0m g\u00ec?<\/b><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng ph\u1ea7n m\u1ec1m: C\u00e1c developer th\u01b0\u1eddng xuy\u00ean s\u1eed d\u1ee5ng bi\u1ec3u th\u1ee9c ch\u00ednh quy trong l\u1eadp tr\u00ecnh \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c t\u00e1c v\u1ee5 nh\u01b0 x\u00e1c th\u1ef1c \u0111\u1ea7u v\u00e0o, ph\u00e2n t\u00edch d\u1eef li\u1ec7u v\u00e0 thao t\u00e1c chu\u1ed7i. Tr\u00ecnh ki\u1ec3m th\u1eed Regex cho ph\u00e9p h\u1ecd tinh ch\u1ec9nh c\u00e1c m\u1eabu bi\u1ec3u th\u1ee9c v\u00e0 x\u00e1c minh t\u00ednh ch\u00ednh x\u00e1c c\u1ee7a ch\u00fang trong th\u1eddi gian th\u1ef1c.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">L\u00e0m s\u1ea1ch v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u: B\u1ea1n c\u00f3 th\u1ec3 t\u1eadn d\u1ee5ng bi\u1ec3u th\u1ee9c ch\u00ednh quy \u0111\u1ec3 l\u00e0m s\u1ea1ch v\u00e0 x\u1eed l\u00fd d\u1eef li\u1ec7u v\u0103n b\u1ea3n. Regex tester t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho vi\u1ec7c ph\u00e1t tri\u1ec3n v\u00e0 th\u1eed nghi\u1ec7m c\u00e1c m\u1eabu bi\u1ec3u th\u1ee9c ch\u00ednh quy, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c trong vi\u1ec7c tr\u00edch xu\u1ea5t v\u00e0 chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Ph\u00e1t tri\u1ec3n web: Trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n web, regex tester c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 vi\u1ec7c x\u00e1c th\u1ef1c bi\u1ec3u m\u1eabu v\u00e0 ph\u00e2n t\u00edch c\u00fa ph\u00e1p URL.<\/span><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-t\u1ed5ng-k\u1ebft-regex-tester\"><span class=\"ez-toc-section\" id=\"Tong_ket_regex_tester\"><\/span><b>T\u1ed5ng k\u1ebft regex tester<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">Vi\u1ec7c hi\u1ec3u v\u00e0 s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 regex tester kh\u00f4ng ch\u1ec9 gi\u00fap b\u1ea1n c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 hi\u1ec7u qu\u1ea3 c\u00f4ng vi\u1ec7c m\u00e0 c\u00f2n tr\u1edf th\u00e0nh y\u1ebfu t\u1ed1 quan tr\u1ecdng tr\u00ean con \u0111\u01b0\u1eddng th\u0103ng ti\u1ebfn c\u1ee7a b\u1ea3n th\u00e2n trong l\u0129nh v\u1ef1c ki\u1ec3m th\u1eed ph\u1ea7n m\u1ec1m.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Hy v\u1ecdng v\u1edbi nh\u1eefng th\u00f4ng tin v\u1ec1 regex tester m\u00e0 ITviec \u0111\u00e3 g\u1eedi \u0111\u1ebfn trong b\u00e0i vi\u1ebft n\u00e0y, b\u1ea1n s\u1ebd c\u00f3 th\u00eam nhi\u1ec1u ki\u1ebfn th\u1ee9c h\u1eefu \u00edch v\u1ec1 regex tester l\u00e0 g\u00ec v\u00e0 c\u00e1c regex tester tr\u1ef1c tuy\u1ebfn, mi\u1ec5n ph\u00ed ph\u1ed5 bi\u1ebfn hi\u1ec7n nay.<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2015\/07\/Robby2.png\" alt=\"robby-2\" class=\"wp-image-5668\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2015\/07\/Robby2.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2015\/07\/Robby2-200x200.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2015\/07\/Robby2-60x60.png 60w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><\/figure>\n<\/div>\n\n\n\n<p class=\"has-text-align-center has-text-align-center\" id=\"block-bdf220a1-3635-4794-9101-81d879939b92\"><strong>B\u1ea1n th\u1ea5y b\u00e0i vi\u1ebft hay v\u00e0 h\u1eefu \u00edch? \u0110\u1eebng ng\u1ea1i Share v\u1edbi b\u1ea1n b\u00e8 v\u00e0 \u0111\u1ed3ng nghi\u1ec7p nh\u00e9.<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center has-text-align-center\" id=\"block-a1315aab-406f-48df-97fc-6b9584e6e134\"><strong>V\u00e0 nhanh tay tham kh\u1ea3o\u00a0<a href=\"https:\/\/itviec.com\/it-jobs?utm_medium=anchor_text_low&amp;utm_source=blog&amp;utm_campaign=viec_lam_it&amp;utm_content=regex_tester\" target=\"_blank\" rel=\"noreferrer noopener\">vi\u1ec7c l\u00e0m IT<\/a>\u00a0\u201cch\u1ea5t\u201d tr\u00ean ITviec<\/strong>!<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trong l\u0129nh v\u1ef1c l\u1eadp tr\u00ecnh v\u00e0 x\u1eed l\u00fd v\u0103n b\u1ea3n, bi\u1ec3u th\u1ee9c ch\u00ednh quy (regex) \u0111\u00f3ng vai tr\u00f2 l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd \u0111\u1ec3 kh\u1edbp m\u1eabu v\u00e0 thao t\u00e1c chu\u1ed7i. Tuy nhi\u00ean, vi\u1ec7c vi\u1ebft v\u00e0 ki\u1ec3m th\u1eed regex \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 l\u00e0 m\u1ed9t &#8220;th\u1eed th\u00e1ch&#8221; l\u1edbn \u0111\u1ed1i v\u1edbi Developer (v\u00ec s\u1ef1 kh\u00f3 nh\u1eb1n c\u1ee7a [&hellip;]<\/p>\n","protected":false},"author":208,"featured_media":69197,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"","footnotes":""},"categories":[109],"tags":[],"class_list":["post-69125","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chuyen-mon-it"],"blocksy_meta":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.8 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Regex tester l\u00e0 g\u00ec? Top 8 c\u00f4ng c\u1ee5 regex tester ph\u1ed5 bi\u1ebfn nh\u1ea5t - ITviec Blog<\/title>\n<meta name=\"description\" content=\"Vi\u1ec7c vi\u1ebft v\u00e0 ki\u1ec3m th\u1eed regex \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 l\u00e0 m\u1ed9t &quot;th\u1eed th\u00e1ch&quot; l\u1edbn \u0111\u1ed1i v\u1edbi Developer. Ch\u00ednh v\u00ec th\u1ebf, c\u00e1c c\u00f4ng c\u1ee5 regex tester ra \u0111\u1eddi.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/itviec.com\/blog\/regex-tester\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Regex tester l\u00e0 g\u00ec? Top 8 c\u00f4ng c\u1ee5 regex tester ph\u1ed5 bi\u1ebfn nh\u1ea5t\" \/>\n<meta property=\"og:description\" content=\"Trong l\u0129nh v\u1ef1c l\u1eadp tr\u00ecnh v\u00e0 x\u1eed l\u00fd v\u0103n b\u1ea3n, bi\u1ec3u th\u1ee9c ch\u00ednh quy (regex) \u0111\u00f3ng vai tr\u00f2 l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd \u0111\u1ec3 kh\u1edbp m\u1eabu v\u00e0 thao t\u00e1c chu\u1ed7i. Tuy nhi\u00ean, vi\u1ec7c\" \/>\n<meta property=\"og:url\" content=\"https:\/\/itviec.com\/blog\/regex-tester\/\" \/>\n<meta property=\"og:site_name\" content=\"ITviec Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/ITviec\" \/>\n<meta property=\"article:published_time\" content=\"2024-05-20T02:10:27+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-11-14T04:34:19+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/regex-tester-blog-thumbnail-vippro.png\" \/>\n\t<meta property=\"og:image:width\" content=\"2850\" \/>\n\t<meta property=\"og:image:height\" content=\"1500\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"B\u00e1c V\u0103n\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@ITviec\" \/>\n<meta name=\"twitter:site\" content=\"@ITviec\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"B\u00e1c V\u0103n\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"15 ph\u00fat\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Regex tester l\u00e0 g\u00ec? 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Top 8 c\u00f4ng c\u1ee5 regex tester ph\u1ed5 bi\u1ebfn nh\u1ea5t","og_description":"Trong l\u0129nh v\u1ef1c l\u1eadp tr\u00ecnh v\u00e0 x\u1eed l\u00fd v\u0103n b\u1ea3n, bi\u1ec3u th\u1ee9c ch\u00ednh quy (regex) \u0111\u00f3ng vai tr\u00f2 l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd \u0111\u1ec3 kh\u1edbp m\u1eabu v\u00e0 thao t\u00e1c chu\u1ed7i. 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