What this tool does
Test regular expressions, flags, groups, and replacements. It uses the options shown in the workspace and presents a result you can review before copying or downloading.
Developer Tools
Regex Tester
Test regular expressions, flags, groups, and replacements.
Processed locally in your browser. Tool input is not sent to Toollix for processing.
Try it quicklyFind the number 56 in this sentence.
2 matches#1 “56” at index 12#2 “2026” at index 27
Common uses
Prepare, inspect, transform, or compare everyday content directly in a current browser.
Limitations
Results depend on valid supported input and current browser capabilities. Review important output before relying on it in production.
How to use Regex Tester
Simple, private, and ready
- Load the safe example or enter the information requested in the workspace.
- Adjust the available options to match the result you need.
- Review the locally produced result, then copy or download it when offered.
Frequently asked questions
About Regex Tester
Is Regex Tester free?
Yes. Regex Tester is free to use without creating an account.
Does Toollix upload my input?
No. This tool is designed to process its working input locally in your browser.
Can I use the result on mobile?
Yes. The workspace and its actions are designed for current mobile and desktop browsers.
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