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Tom Utilities

Prueba expresiones regulares con texto de ejemplo e inspecciona cada coincidencia y grupo de captura.

Cómo usar

Testing a pattern

Enter a pattern and flags, provide sample text, and matches are highlighted as you type.

  1. Type the regular expression.
  2. Select flags such as global or case insensitive.
  3. Read the highlighted matches and groups.

Preguntas frecuentes

Which regex flavour is used?

The JavaScript RegExp engine, so it matches how your browser interprets patterns.

Can a pattern freeze the page?

A high match limit protects against runaway patterns and shows a warning if the limit is reached.