Regex Tester & Debugger

Test regular expressions against sample text with real-time match highlighting.

  • Developer & Code
  • Runs in your browser
  • Free, no signup

How to use

How to Use Regex Tester & Debugger

  1. 1

    Enter your regex

    Type the regular expression pattern you want to test.

  2. 2

    Add test strings

    Enter sample text to match your regex pattern against.

  3. 3

    View matches

    See highlighted matches and capture groups in your test text.

The guide