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Regex Tester

Test JavaScript regular expressions with live match highlighting.

Features

  • • Live Highlighting: See matches highlighted in real-time
  • • Flag Support: Test with all JavaScript regex flags
  • • Syntax Validation: Instant feedback on regex validity
  • • Common Patterns: Pre-built examples for common use cases
  • • Copy Results: Easy copying of matched text

Common Patterns

Regular Expression

Test Text

Matches