Regex Tester
Test and debug regular expressions live.
Free · No sign-up · Works in your browser
2 matches
Contact us at hello@example.com or sales@digitaldrivehq.com.
| # | Match | Groups |
|---|---|---|
| 1 | hello@example.com | — |
| 2 | sales@digitaldrivehq.com | — |
About the Regex Tester
Free regex tester — test regular expressions against sample text with live match highlighting, capture groups, and flags.
How to use the Regex Tester
- 1Enter your regular expression and choose flags.
- 2Paste a test string.
- 3See matches highlighted and listed with their capture groups.
Frequently asked questions
Which regex flavor is this?
It uses JavaScript's regular expression engine, the same one that runs in every browser.
What do the flags mean?
g = global (all matches), i = case-insensitive, m = multiline, s = dot matches newlines.