Regex Tester

We support JavaScript/ECMAScript regular expression syntax, which is the most common flavor used in web development.

Yes, enable the case-insensitive flag (i) in your regex pattern or use the flag toggle if available.

Common patterns include: email validation, phone numbers, URLs, dates, and IP addresses. The tool includes common patterns you can use.

Yes, the tool will highlight all matches in your test string. Each match is shown with its position.