Regex Tester

Test regular expressions with live matching. Debug and validate your regex patterns.

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How to Use Regex Tester

  1. 1Enter your regex pattern
  2. 2Add test string
  3. 3See matches highlighted
  4. 4View capture groups

Why Use Regex Tester?

  • ✓Live matching
  • ✓Highlight matches
  • ✓Capture groups
  • ✓Regex reference

Frequently Asked Questions

What regex flavors are supported?

We support JavaScript regex syntax, which covers most common patterns.

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