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Regular Expression Details

Title Test Find Pattern Title
UK National Insurance Number (NINO) validation. (The following modifications have been made: Only A to D are permitted as the last letter, and all letters should be in uppercase. For temporary numbers F and M are permitted for female and male holders.)
AB123456D | AB123456F | AB123456M
AB123456E | ab123456d
Author Rating: Not yet rated. Peter Whyte
Source Revision of Santosh Potadar's version (
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Existing User Comments

Title: comment
Name: stephen jones
Date: 6/30/2006 10:34:11 AM
Not good - do not use for full verification - use only for general format if you're not concerned about a full and proper format. Makes no allowance for: first char must not be D,F,I,O,U or V second char must not be D,F,I,O,Q,U or V 1st two chars must not be GB, BG, NK, TN or ZZ

Title: comment
Name: surya prakash
Date: 11/9/2005 1:06:08 AM
ITS nice

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