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AISandLot Regex Builder and Tester

1. Auto-Generate from Example

Type or paste a value to instantly translate format into regex.

2. Visual Regex Builder

Manually stack rules below to generate your regular expression.


3. Regex Tester

No matches found.

Regex Flags Reference

Flags alter how matching behavior functions:

  • i (case-insensitive): Ignores case differences[cite: 6].
  • g (global): Finds all matches instead of stopping[cite: 6].
  • m (multiline): Anchors match individual lines[cite: 6].
  • s (dotall): Dot matches newlines[cite: 6].
  • u (unicode): Full support for Unicode[cite: 6].