Email Address

RFC 5321 compliant email address validation. Supports subdomains, plus-addressing, and international TLDs.

✓ Contact form validation✓ User registration✓ Newsletter signups

Test String

3 matches

user@example.com
john.doe+tag@sub.domain.co.uk
contact@regex.to

[…]+Character class […]— Matches any single character listed in this set — repeated one or more times (greedy) · + — one or more times (greedy)

a-za-z— a-z — range from 'a' to 'z'

A-ZA-Z— A-Z — range from 'A' to 'Z'

0-90-9— 0-9 — range from '0' to '9'

..— '.' — literal character

__— '_' — literal character

%%— '%' — literal character

++— '+' — literal character

\-\-— \- — escaped character

@@— '@' — literal character

[…]+Character class […]— Matches any single character listed in this set — repeated one or more times (greedy) · + — one or more times (greedy)

a-za-z— a-z — range from 'a' to 'z'

A-ZA-Z— A-Z — range from 'A' to 'Z'

0-90-9— 0-9 — range from '0' to '9'

..— '.' — literal character

\-\-— \- — escaped character

\.\.— \. — escaped character '.'

[…]{2,}Character class […]— Matches any single character listed in this set — repeated at least 2 times · {2,} — at least 2 times

a-za-z— a-z — range from 'a' to 'z'

A-ZA-Z— A-Z — range from 'A' to 'Z'

Pattern: 48 charsInput: 63 chars

100% client-side · private

✓ Valid Examples