/ / 0 matches
Test String
Matches & Highlighted
Matches will be highlighted here
Test Regular Expressions Instantly
Enter a regex pattern and test string to see matches highlighted in real time. Supports all JavaScript regex flags (global, case-insensitive, multiline, dotAll, unicode). View capture groups and match positions.
About this tool
A real-time regex playground for testing and debugging regular expressions. See matches highlighted as you type with support for capture groups and all standard flags.
- Real-time matching as you type
- Capture group display
- All JS regex flags (g, i, m, s, u)
- Match highlighting with positions
100% client-side. Your data never leaves your browser. No tracking, no cookies.