JavaScript RegExp test() Method

Test your regex by visualizing it with a live editor. JavaScript, Python, and PCRE.

The test() method tests for a match in a string. If it finds a match, it returns true, otherwise it returns false. Browser Support. test() is an ECMAScript1 ( ...

2015年8月3日 — Jquery regex test for exact word in string ... I have the following jQuery code: val= $('#' + this_id).val();. val can contain different strings ...

2012年4月6日 — Normally regular expression with javascript / jquery handle like var reg = /pattern/; if (reg.test($(this).val())) // perform some task }.

2018年9月21日 — JQuery常用的表單驗證function(正規表示式)-教學 ... test(isNum) || isNum=='' ) . return false ... var regex = /^([a-zA-Z0-9_-.---+])+-@(([a-zA ...

Test your Javascript and PCRE regular expressions online ... RegexPal is a tool to learn, build, & test Regular Expressions (RegEx / RegExp).

Regular Expression Tester with highlighting for Javascript and PCRE. Quickly test and debug your regex.

Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/.NET, Rust.

2023年9月25日 — The test() method of RegExp instances executes a search with this regular expression for a match between a regular expression and a ...

Regular expression tester with syntax highlighting, PHP / PCRE & JS Support, contextual help, cheat sheet, reference, and searchable community patterns.