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Regular expression

Validate text against custom patterns using regular expressions.

Settings

  • Pattern - Required regex pattern to match against (e.g., ^\d{3}-\d{2}-\d{4}$)

Validation

  • Tests extracted text against the specified regex pattern
  • Errors if text doesn't match the pattern
  • Case-sensitive matching by default
  • Supports standard regex syntax and features

Common Use Cases

  • Social security numbers and ID formats
  • Phone numbers and postal codes
  • Email addresses and URLs
  • License plates and serial numbers
  • Custom format validation (invoice numbers, etc.)