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 regex101.com
regex101: build, test, and debug regex
| | extendsclass.com
Online Regex tester and visualizer - Python, PHP, Ruby, JavaScript, Java, MySQL
0.8 parsecs away

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| | Online regular expression tester for Python, PHP, Ruby, JS, Java and MySQL. Regex visualizer. Syntax highlighting. Cheatsheet. Generate string corresponding to a regex.
| | blog.stevenlevithan.com
Test Your XRegExps with JRX
2.2 parsecs away

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| | Cüneyt Y?lmaz's JRX is a cool JavaScript regex tester inspired by the RX tool of Komodo IDE. Cüneyt recently added my XRegExp library to his tester, so JRX is now a nice and easy way to test XRegExp's singleline and extended modes, as well as named capture and other XRegExp-provided syntax. Check it out! As...
| | overapi.com
Regex Cheat Sheet | OverAPI.com
1.7 parsecs away

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| | OverAPI.com is a site collecting all the cheatsheets,all!
| | blog.stevenlevithan.com
Launching: Regex+ and Regex Colorizer v1
22.6 parsecs away

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| I've recently released two new open source regex libraries. Regex+ Regex+ provides a regex template tag for dynamically creating readable, high performance, native JavaScript regular expressions with best practices built-in and powerful/advanced features that improve performance, readability, and maintainability. It's lightweight and supports all ES2025 regex features. Highlights include support for free-spacing and comments, atomic...