Regex Tester & Debugger
Master regular expressions with real-time testing and debugging
Regular expressions (regex) are powerful patterns used to match character combinations in strings. They're essential for text processing, validation, search and replace operations, and data extraction.
- • Powerful pattern matching capabilities
- • Efficient text processing and validation
- • Supported across programming languages
- • Essential for data cleaning and extraction
- • Flexible search and replace operations
- • Email and phone validation
- • URL and IP address matching
- • Data extraction from logs
- • Text cleaning and formatting
- • Search and replace in editors
Enter Your Pattern
Type your regex pattern in the "Pattern" field. Don't include the forward slashes (/) - just the pattern itself.
Select Flags
Choose appropriate flags like global (g), case-insensitive (i), or multiline (m) to modify how the pattern matches.
Add Test String
Enter the text you want to test against your pattern in the "Test String" field.
View Results
See matches highlighted in real-time, with detailed match information and capture groups displayed.
Ready to Master Regex?
Start testing and debugging your regular expressions with our powerful regex tester.