IPv6 Address

Matches a full-form IPv6 address with 8 groups of 4 hexadecimal digits separated by colons.

✓ Network configuration validation✓ Firewall rules✓ API input sanitization

Test String

2 matches

2001:0db8:85a3:0000:0000:8a2e:0370:7334
fe80:0000:0000:0000:0204:61ff:fe9d:f156

(…){7}Group #1— Capturing group — captures matched text for reuse or extraction — repeated exactly 7 times · {7} — exactly 7 times

[…]{1,4}Character class […]— Matches any single character listed in this set — repeated between 1 and 4 times · {1,4} — between 1 and 4 times

::— ':' — literal character

[…]{1,4}Character class […]— Matches any single character listed in this set — repeated between 1 and 4 times · {1,4} — between 1 and 4 times

0-90-9— 0-9 — range from '0' to '9'

a-fa-f— a-f — range from 'a' to 'f'

A-FA-F— A-F — range from 'A' to 'F'

Pattern: 38 charsInput: 79 chars

100% client-side · private

✓ Valid Examples