Regular Expression Tester
Test and debug regular expressions with real-time matching and highlighting. This tool helps you verify your regex patterns and understand how they match against your test data.
Regular Expression
Flags:
Test String
How to Use
- Enter your regular expression pattern
- Select appropriate flags:
- g - Global search
- i - Case-insensitive
- m - Multiline
- s - Dot matches newlines
- Enter or paste text to test against
- Click "Test Regular Expression" to see matches
Features
- Real-time regex validation
- Match highlighting
- Capture group support
- Multiple flag options
- Detailed match information
- Error reporting
- Sample patterns and test data