Regex Visualizer Online - Free Pattern Tester & Debugger
Free online regex visualizer. Test patterns with live highlighting, capture groups, and detailed explanations.
About Regex Visualizer
Test and visualize regular expressions with real-time match highlighting. See capture groups, match positions, and test your regex patterns against sample strings.
Features
- Real-time regex testing with match highlighting
- Support for all JavaScript regex flags (g, i, m, s, u, y)
- Display of capture groups and match positions
- Visual highlighting of all matches in the test string
- Error reporting for invalid patterns
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☕Buy Me a CoffeeHow to Use Regex Visualizer
- Enter your input or configuration in the Regex Visualizer
- Set up test parameters and options as needed
- Click Test or Run to execute the test
- Review the results and output details
Common Use Cases
- Understanding complex regex patterns in plain English
- Debugging regular expressions with visual highlighting
- Learning regex syntax through pattern explanation
- Testing regular expressions against sample text