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

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.
Cost / License
- Paid
- Proprietary
Platforms
- Windows


Pythex is a real-time regular expression editor for Python, a quick way to test your regular expressions.
Cost / License
- Free
- Proprietary
Platforms
- Online

Regex 2.4.2 is a focused regular expression editor and tester for macOS 14.2 or later. It uses the Swift Regex engine and shows explicit empty, invalid, zero-match, and matching states while highlighting matches and counts live.


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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




















