Developer utility
Regex Tester
Test JavaScript regular expressions with live match highlighting and capture groups.
//g
About Regex Tester
Test regular expressions against sample text with live matches and practical pattern feedback. No account is required, and your input remains on your device.
How to use Regex Tester
- 01Enter or select the content you want to process.
- 02Choose the settings that match your intended output.
- 03Copy or download the result when it is ready.
Example
Input
/d+/ with "Order 42"
Result
Match: 42
Frequently asked questions
Is Regex Tester free?
Yes. You can use this tool without creating an account or paying for access.
Is my data uploaded?
No. Tool input is processed locally in your browser and is not sent to AlifBay servers.