Hi,
I created a field in admin side, i applied regular expression , first it worked, i then create new one. but now both were not working. i then deleted both n created new one, but now its not working at all.
(/^([A-PR-UWYZ0-9][A-HK-Y0-9][AEHMNPRTVXY0-9]?[ABEHMNPRVWXY0-9]? {1,2}[0-9][ABD-HJLN-UW-Z]{2}|GIR 0AA)$/i)
this validate UK postal code : NE8 1PP