DeveloperPrivacy-firstNo trackingRuns locally
Regex Tester
Test regular expressions with live matches and highlights.
Matches (0)
- No matches yet.
Quick tips
- *Enter a regex pattern and flags.
- *Paste text to test against.
- *Matches and counts update instantly.
Everything runs locally in your browser. No uploads or tracking.
How it works
- Step 1
Enter a regex pattern and flags.
- Step 2
Paste text to test against.
- Step 3
Matches and counts update instantly.
FAQ
Does it support global matches?+
Yes. Use the g flag to return all matches with indices.
Why do I see errors?+
Invalid regex syntax will show a helpful error message.