JS Regex Tester

A complete js regex editor, including regex-highlighting, validation and more.

Easy modifier modification

You can easily select the modifiers using the dropdown, or you can just type them in.

Matches overview

A matches overview is shown on the right, it includes match and group information.

Reference table

Below the matches overview, you can find the Regex reference table.

Preview area

Matches are highlighted in the preview area.

Validation

When you make a validation mistake, a error is thrown.

Commands

• 'Open JS Regex Tester'