🔍 Live JavaScript RegExp Pattern Evaluator
RegEx Tester & Debugger
Test regular expressions with real-time visual match highlighting, capture group inspectors, and regex flags.
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Flags:
Common Presets:
Email Address
URL / Web Link
IPv4 Address
Date (YYYY-MM-DD)
Hex Color Code
2 matches found
Live Visual Matches Highlight:
Match Details & Capture Groups Inspector:
| # | Match Text | Index Range | Captured Groups |
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Regular Expression Quick Reference Cheatsheet
\d: Any digit (0–9) |\D: Non-digit\w: Any word character (a–z, A–Z, 0–9, _) |\W: Non-word character\s: Whitespace (spaces, tabs, newlines) |\S: Non-whitespace^: Start of line |$: End of line*: 0 or more |+: 1 or more |?: 0 or 1 |{n,m}: Between n and m times