Regex Tester & Matcher
Test regular expressions against sample text with live capture groups, flags, and match highlights.
About this Regex Tester & Matcher
Interactive regex debugger supporting global, multiline, case-insensitive, and unicode flags. View capture groups and match coordinates in real-time.
How It Works
All processing in this utility is executed directly in your browser using modern client-side Web APIs and zero server data retention. No sensitive inputs, JWT signatures, or private tokens leave your local browser memory.
Key Features
- Instant real-time execution with zero network latency.
- One-click copy to clipboard with formatting preservation.
- Comprehensive sample data presets for immediate testing.
- 100% free and fully responsive across mobile, tablet, and desktop devices.
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