Regex Tester
Interactive regular expression testing tool with real-time feedback and helpful examples. Perfect for building and validating regex patterns before using them in your projects.
Features
- Real-time Testing: Instant feedback as you type
- Multiple Flags: Global, case-insensitive, multiline, and dot-all support
- Quick Examples: Pre-built patterns for common use cases
- Match Highlighting: Visual highlighting of matched text
- Group Capture: See capture group results
- Error Feedback: Clear error messages for invalid patterns
Use Cases
- Test regex patterns before implementation
- Learn regular expression syntax
- Validate pattern matching logic
- Debug complex regex expressions
- Experiment with different regex flags
How It Works
- Enter test text in the input area
- Add regex pattern to test
- Configure flags (global, case-insensitive, etc.)
- See real-time results with match highlighting
- View capture groups if pattern includes groups
- Copy working pattern for use in other tools
The tool provides immediate visual feedback and includes helpful examples to learn regex patterns effectively.