Developer
Regex Capture Group Tester
See every match and each numbered and named capture group.
Good to know
Frequently asked questions
How do I use it?
Enter your test text, adjust the options and press “Test”. Check the result, then copy or download it.
How does it work?
Uses your browser's JavaScript regex engine. Lists match index, full match, numbered groups and named groups.
Is my data uploaded?
No. Everything is processed in your browser and nothing is sent to a server. No account is needed.





