Free Developer Tool
Regex Tester
Test and debug regular expressions directly in your browser.
Matches Found0
No matches found
What is Regex Tester?
Regex testers help developers debug and validate regular expressions quickly.
How to use
- Enter regular expression.
- Paste test string.
- View regex matches instantly.
Features
- Regex testing
- Highlight matches
- Real-time updates
- Fast browser execution
- Client-side processing
Example
Input
/hello/g
Output
2 matches found
FAQ
Does this tool support JavaScript regex?
Yes. JavaScript regular expressions are supported.
Can I test regex flags?
Yes. Global, multiline and other flags are supported.
Is my text uploaded?
No. Everything runs locally in your browser.