How to Use the Regex Tester
1
Enter Regex Pattern
Type your regular expression into the pattern field (e.g. [A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,}).
2
Select Regex Flags
Toggle Global (g), Case-Insensitive (i), or Multiline (m) flags.
3
Enter Test String
Paste the text you want to evaluate to see highlighted matches.
Why Choose Our Regex Tester?
Real-time match highlighting
Match count and index location details
Capture group breakdown
Client-side execution
Pro Tips for Best Results
- Bookmark this page (Ctrl+D / Cmd+D) for fast offline-capable access whenever you need it.
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