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Regex Tester

Test regular expressions against strings with live match highlighting.

Developerregexregexppatternmatch🔒 Browser-only

📋 How to use Regex Tester

  1. 1Enter regex pattern
  2. 2Set flags (g, i, m)
  3. 3Enter test string
  4. 4View matches

Try it now

//g
0 matches

Examples

Match emails

Input: "\\w+@\\w+\\.\\w+"
Output: "2 matches"

Frequently Asked Questions

Which regex flavor?▾

JavaScript RegExp — compatible with most modern languages.

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