Regex Tester
Enter a JavaScript regular expression and test text to inspect matches, indexes, groups, and replacement output.
Match options
Flags
/g
Matches
2
Match results
hello@toolmomo.com
Index: 9
support@example.com
Index: 37
Replacement preview
Contact: [email], backup: [email]
Testing notes
- Uses JavaScript RegExp syntax.
- Global matching lists every hit.
- Replacement preview helps verify bulk text edits before applying them elsewhere.