Developer Tools
Regex Tester
Test a JavaScript regular expression against text and inspect all matches.
Runs in your browser
Quick answer
What does Regex Tester do?
Test a JavaScript regular expression against text and inspect all matches. It is designed for a direct input → result workflow with no account requirement. File-based browser-local tools process the selected data locally in your browser.
How to use Regex Tester
- Enter, paste or choose the input requested by the tool.
- Adjust any options shown for your task.
- Run the tool, review the result and copy or download it when available.
For important financial, technical or publishing decisions, verify the result against the source system or rule that applies to your situation.
Regex Tester FAQ
What does Regex Tester do?
Test a JavaScript regular expression against text and inspect all matches.
Is Regex Tester free to use?
Yes. MediaZuno provides Regex Tester free to use without requiring an account.
Does Regex Tester upload my input?
This version runs in your browser. Your input is processed on your device rather than being uploaded to MediaZuno.