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1. regex101.comregex101: build, test, and debug regex

   regex101.com

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

   • Regex Library

     Regex Library - regex101: build, test, and debug regex

   • Account

     Please sign in by clicking the link or the button in the...

   • Regex Quiz

     Parsing HTML with regex is seldom a good idea, despite there...

   • Test

     Test - regex101: build, test, and debug regex

   • Links in String

     Links in String - regex101: build, test, and debug regex

   • NVM Help Pattern

     NVM Help Pattern - regex101: build, test, and debug regex

   • With Verified TLDs

     With Verified TLDs - regex101: build, test, and debug regex

   • Community Pattern Library

     This regex matches every IPv4 address with or without 0s...

2. regexr.comRegExr: Learn, Build, & Test RegEx

   regexr.com

   • Zapisane w pamięci cache

   RegExr is an online tool to learn, build, & test Regular Expressions (RegEx / RegExp). Supports JavaScript & PHP/PCRE RegEx. Results update in real-time as you type. Roll over a match or expression for details. Validate patterns with suites of Tests. Save & share expressions with others.

3. www.akto.io › tools › javascript-regex-testerJavascript Regex Tester - Builder, Creator, Generator - Akto Free...

   www.akto.io › tools › javascript-regex-tester

   • Zapisane w pamięci cache

   The JavaScript Regex Tester is a tool designed to assist developers in testing and optimizing regular expressions (regex) within JavaScript code. It allows real-time evaluation of regex patterns and helps ensure accurate text pattern matching.

4. www.w3schools.com › jsref › jsref_regexp_testJavaScript RegExp test() Method - W3Schools

   www.w3schools.com › jsref › jsref_regexp_test

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

5. developer.mozilla.org › docs › WebRegExp.prototype.test() - JavaScript | MDN - MDN Web Docs

   developer.mozilla.org › docs › Web

   • Zapisane w pamięci cache

   25 lip 2024 · Use test() whenever you want to know whether a pattern is found in a string. test() returns a boolean, unlike the String.prototype.search() method (which returns the index of a match, or -1 if not found). To get more information (but with slower execution), use the exec() method.

6. www.regextester.comRegex Tester and Debugger Online - Javascript, PCRE, PHP

   www.regextester.com

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

7. www.debuggex.comDebuggex: Online visual regex tester. JavaScript, Python, and...

   www.debuggex.com

   • Zapisane w pamięci cache

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