A free environment for regular expression testing (ferret). It allows you to write regexes and test them against a sample text, providing extensive output about the results.
Cost / License
- Free
- Open Source
Platforms
- Linux
K
Debuggex Alternatives
Debuggex is described as 'Intuitive visual regular expression debugger, tester, and helper' and is an website in the development category. There are more than 25 alternatives to Debuggex, not only websites but also apps for a variety of platforms, including Windows, Mac, Linux and Self-Hosted apps. The best Debuggex alternative is regular expressions 101, which is free. Other great sites and apps similar to Debuggex are RegExr, Expresso, RegexMate and Wildcard.
Alternatives list
- 33 kiki alternatives
Multi String Replacer is a small and portable application that can be used to replace multiple strings at once. Its main functionality is String Swapping in which can be easily and quickly done. String swapping consists on replacing WordX with WordY and WordY with WordX.
Cost / License
- Freemium
- Proprietary
Platforms
- Windows
Search multiple strings occurrences simultaneously with the help of this piece of software that comes with support for regular expressions.
Cost / License
- Freemium
- Proprietary
Platforms
- Windows
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.
Pyrexp is a regex testing tool that allows to validate regex patterns, test regular expressions against strings, and also includes a regex visualizer that provides graphical visualization of regex patterns.
Cost / License
- Free
- Proprietary
Platforms
- Online
- 30 Regexp Testing Tool alternatives
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.
Cost / License
- Free
- Proprietary
Platforms
- Mac
- Windows
- Linux
R 
DevUtilHub provides 24+ free online developer tools including regex tester, Base64 encoder/decoder, JWT debugger, JSON formatter, hash generators, and more. All tools run entirely in your browser for maximum privacy and speed. No signup required.
Cost / License
- Free
- Proprietary
Platforms
- Online
Visual regex builder for Mac featuring drag-and-drop blocks, AI that generates patterns from English, explanations for each regex part, 21 real regex engines, instant engine switching, real-time match testing, sample library, VS Code integration, export, and offline AI support.
+2
Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, Go, JavaScript, Java.
Cost / License
- Free
- Proprietary
Platforms
- Google Chrome
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