Regex Tester

Test your regex patterns against text input. Format: /pattern/flags on first line, text below.

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Regex Tester

Test regular expressions

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How It Works

  1. Enter pattern on first line (e.g., /abc/g)
  2. Enter test text below
  3. Click Process
  4. See matches

Use Cases

  • Developing regex patterns
  • Debugging matches
  • Validation logic

Frequently Asked Questions

Which flavor?

JavaScript Regular Expressions.