Regex Tester

Test Regular Expressions Online

FAQ
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Flags

Matches

0 matches

        

Capture Groups

Match # Value Index Capture Groups

FAQ

How do I test a regex pattern online?

Enter your pattern, toggle flags, and paste text in the test area. Results and highlights update instantly.

What do regex flags mean?

Use g for global matching, i for case-insensitive, m for multiline, s for dotall, u for unicode, and y for sticky matching.

Does this tool send my text to a server?

No. Everything runs entirely in your browser (client-side only).