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Regex Tester

Test regular expressions against your sample text live.

  • Private
  • No sign-up
  • Works in your browser
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What is the Regex Tester?

Type a regular expression and flags, then test it against your sample text with live match highlighting and counts. A fast way to build and debug regex patterns.

How to use it

  1. 1Enter your details into the tool.
  2. 2Adjust any options to suit you.
  3. 3Read your result, and copy or download it if you need to.