RegEx Lab allows you to test regular expressions. The app highlights and underlines text to show matches and capture groups. There's also a handy cheatsheet and a results list view. It has a replace feature too.


RegExp is described as 'The only one Regular Expression tester you need, that will help you to test your regular expressions in flavors:' and is a regular expression editor in the development category. There are more than 25 alternatives to RegExp for a variety of platforms, including Web-based, Windows, Mac, Linux and Self-Hosted apps. The best RegExp alternative is regular expressions 101, which is free. Other great apps like RegExp are RegExr, Regex Forge, Expresso and RegexMate.
RegEx Lab allows you to test regular expressions. The app highlights and underlines text to show matches and capture groups. There's also a handy cheatsheet and a results list view. It has a replace feature too.



Regexp testing tool allows to apply group of regexps to huge arrays of data (millions or so) in order to investigate search or search/replacement possibilities of regexp group.

Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, Go, JavaScript, Java.

Easily test your regular expressions against a sample body of text in a native UWP app designed for Windows 10. Just type your regex and it instantly begins matching as you type. Any capture groups are automatically highlighted, and the app works completely offline.


Regexenator is a powerful yet simple regular expression tool for Android phones and tablets. You can use Regexenator to create, test, and evaluate regular expressions and search text for matches of your regular expressions.



Regexenator is the most popular Android & Android Tablet alternative to RegExp.
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