Is there an easy way for FileMaker 10 to deal with the validation of postcodes or ZIP codes if in the US?
Didn't you mean in UK? If so, see if this helps:
You asked for my input on this thread, indicating that you "have not really had a suitable response that works and I fully understand." Comment is by far the most able participant for suggesting solutions in this forum and I don't see anything in the forum thread he linked to this one that I would improve on.
I suggest posting additional questions and responses about this issue here and hopefully Comment will respond with additional explanation to help you understand how to apply this solution to your database.
Thanks for the quick reply. I will do what you suggest.
Thanks comment. Now got my head around it. Did not realise it was so complex.