vb.net Check for valid UK postcode
Who said you cant validate a UK postcode? Ill tell you who
http://en.wikipedia.org/wiki/UK_postcodes
Automatic validation of postcodes on the basis of pattern feasibility is therefore almost impossible to design, and the system contains no self-validating feature such as a check digit. Completely accurate validation is only possible by attempting to deliver mail to the address, and verifying with the recipient.
The function will return True of False
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