Regex Tester Pro
Craft, test, and debug your regular expressions with an intuitive, real-time interface.
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/
/g
Valid Pattern
Flags
Highlighted Result
Match Information
No matches found.
Understanding Your Regex Tool
How It Works:
Type your regex pattern, select flags, and provide a test string. Results update in real-time, highlighting matches and listing detailed information including captured groups.
Key Features:
- Real-time pattern validation and matching.
- Support for all standard JavaScript regex flags.
- Visual highlighting of all found matches.
- Detailed breakdown of matches and captured groups.
- Interactive selection of matches for focused analysis.
- Secure client-side processing (your data stays private).
Tip: Hover over flags for descriptions. Click on a highlighted match in the "Highlighted Result" or a match card in "Match Information" to sync selection.