Regex Generator & Tester
Build and test regular expressions in your browser. Use presets and snippets to generate patterns, then run them against sample text with flags and highlighted matches.
- Build and test regex patterns against text.
- Highlight matches, groups, and flags.
- Great for validation and log parsing.
Pattern & Test Data
Enter a regular expression, choose flags, add snippets, and test it against your sample text. Matches and capture groups are listed and highlighted.
Pattern & Flags
Flags:
Pattern snippets (click to append):
Test Text & Results
No matches yet. Enter a pattern and click "Run test".