Regex Tester
Test a JavaScript regular expression against text.
Runs locally in your browser. No signup.
How it works
- 1 Add your input.
- 2 Choose your options.
- 3 Copy or download the output.
Found: 0
FAQ
What flavor of regex is used?
JavaScript regex (ECMAScript), which is similar to but not identical to PCRE or Python regex.
Can I test with flags?
Yes. You can typically enable flags like g (global), i (case-insensitive), and m (multiline).
Does it show match groups?
Yes. It highlights matches and shows captured groups if present.
Does this tool store my input?
No. Your input is processed locally in your browser and is not uploaded or stored.