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Regular Expression Details

Title Test Find Pattern Title
Expression
^[A-Za-z]{1,2}[0-9A-Za-z]{1,2}[ ]?[0-9]{0,1}[A-Za-z]{2}$
Description
This regular expression can be used to validate UK postcodes. Especially useful if want to provide a client side validation on a web site.
Matches
SW112LE | SW11 2LE | CR05LE
Non-Matches
12CR0LE | 12CR 0LE | SWLE05
Author Rating: Not yet rated. Santosh Potadar
Source
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Existing User Comments

Title: Great
Name: Crusader
Date: 6/30/2006 4:25:21 AM
Comment:
great regex, not too restrictive. I mean you don't want to throw every invalid submission away, otherwise you could be losing enquiries. Thanks for the Regex....


Title: Not very good
Name: Howard
Date: 4/16/2005 6:43:28 AM
Comment:
This is very weak: it only picked up obvious problems. Of my 1423 invalid postcodes, it incorrectly matched 635 as valid.


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