Regular Expression (Regex) Tester
Write and test complex Regular Expressions in real-time. Use our built-in presets for common patterns like email, phone numbers, and URLs to get started quickly.
1When to use this tool?
💡Writing input validation logic (email, phone number, etc.)
💡Finding specific string patterns in log files
💡Testing complex string replacement rules
2Features
- Real-time match highlighting
- Collection of common regex patterns
- Match position and count indicators
- Regex syntax error detection
3How to Use
- Enter your regex pattern or select a preset.
- Type the text you want to test in the input box.
- Matches will be highlighted instantly, and a detailed list will appear.
FAQ
Q. How do I set flags?
A. Currently, the tool uses default flags: g (global) and m (multiline).