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Regular Expression Tester

Test a pattern against sample text and inspect matches.

//g
2 matches

  1. 1Hello0–5
    $1
    H
  2. 2World7–12
    $1
    W
2 matches · 2 unique

Test string

13 chars · 1 line · 13 B

Test a regular expression against sample text and inspect each match. Try a pattern, flags, and capture groups in the browser.

Regular Expression Tester — Test a pattern against sample text and inspect matches