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Regular Expression Details

Title Test Find UK NINO National Insurance Number
Expression
([AEHKLTY][ABEHKLMPRSTWXYZ]|B[ABEHKLMT]|C[ABEHKLR]|GY|[JS][ABCEGHJKLMNPRSTWXYZ]|M[AWX]|N[ABEHLMPRSWXYZ]|O[ABEHKLMPRSX]|P[ABCEGHJKLMNPRSTWXY]|R[ABEHKMPRSTWXYZ]|W[ABEKLMP]|Z[ABEHKLMPRSTWXY])[0-9]{6}[A-D]?
Description
None of the 3 previous examples were fully correct, there are only certain combinations of letters at the start of the NINO rather than simply excluding a handful of allowable chars. The suffix on the end can only be A,B,C or D (M&F were deprecated Temp NINO values)
Matches
AB123456A | GY654321D
Non-Matches
AC123456A | GY654321E
Author Rating: Not yet rated. PJWhitfield
Source
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