toolsko

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ToolsKo is written in English. Prefer another language? Open a translated version of this public page.

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Regex Tester

Test a regular expression and see every match and group live.

Tool inputs stay in your browser · optional AI search sends your query

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How to use it (step by step)

  1. 1Type a pattern in the “Pattern” box (for example \d+ means “one or more numbers”).
  2. 2Paste sample text below it.
  3. 3Every match is highlighted, and groups are listed so you can check your pattern works.

Words to know

Regex
A search pattern. For example \d+ finds every number in a text.

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