Wulaoer Tools

Regex Tester

Test a regular expression against sample text and inspect the matches and groups.

Regex Tester
 

    How to use

    1. 1Enter the pattern (without slashes) and toggle the flags you need.
    2. 2Paste the test text; matches are highlighted and listed with their indices.
    3. 3Invalid patterns show a clear error instead of failing silently.

    Examples

    \d+ matches numbers
    In “a1b22” it finds 1 and 22.