UK National Insurance Number (NINO)

Matches a UK National Insurance Number in the format AA 99 99 99 A.

✓ UK employment forms✓ Tax credit applications✓ NHS registration

Test String

2 matches

AB 12 34 56 A
AB123456A
QQ 12 34 56 C

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

A-CA-C— A-C — range from 'A' to 'C'

EE— 'E' — literal character

GG— 'G' — literal character

HH— 'H' — literal character

J-PJ-P— J-P — range from 'J' to 'P'

R-TR-T— R-T — range from 'R' to 'T'

W-ZW-Z— W-Z — range from 'W' to 'Z'

\s?space— \s — whitespace (space, tab, newline…) — repeated zero or one time (optional) · ? — zero or one time (optional)

\d{2}digit— \d — digit (0–9) — repeated exactly 2 times · {2} — exactly 2 times

\s?space— \s — whitespace (space, tab, newline…) — repeated zero or one time (optional) · ? — zero or one time (optional)

\d{2}digit— \d — digit (0–9) — repeated exactly 2 times · {2} — exactly 2 times

\s?space— \s — whitespace (space, tab, newline…) — repeated zero or one time (optional) · ? — zero or one time (optional)

\d{2}digit— \d — digit (0–9) — repeated exactly 2 times · {2} — exactly 2 times

\s?space— \s — whitespace (space, tab, newline…) — repeated zero or one time (optional) · ? — zero or one time (optional)

[…]Character class […]— Matches any single character listed in this set

A-DA-D— A-D — range from 'A' to 'D'

Pattern: 52 charsInput: 37 chars

100% client-side · private

✓ Valid Examples