JavaScript regex tester

Test JavaScript regular expressions against text locally in your browser.

Patterns and test text stay in your browser and are not uploaded.

Regex Tester helps you test javascript regular expressions against sample text.

Example input
Paste or enter regex input in the workspace.
Example output
Review the regex tester result and copy it when ready.

Patterns and test text stay in your browser and are not uploaded.

What is Regex Tester used for?

Test JavaScript regular expressions against sample text

Does this tool upload my input?

Patterns and test text stay in your browser and are not uploaded.