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Regular Expression Tester

Test and debug regular expressions with match highlighting.
Regular expression

Test Regular Expressions with Match Highlighting and Group Support

Online tool for testing regular expressions (regex).

Features:

  • Flag support: g (global), i (case-insensitive), m (multiline), s (dotAll)
  • Display all matches with positions
  • Named capture groups support

How to use:

  1. Enter a regular expression
  2. Paste text to test against
  3. Configure flags
  4. View found matches

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