The one caveat that I can see is that when you run out of your 4 digit number that it will expand to more digits like 

REG-RC-9999
REG-RC-10000

[download]

If you aren't going to have 10000 of these then you should be ok.

Otherwise you will need to do some stuff like going to REG-RD-0000 after REG-RD-9999.

In reply to Re: Unique ID Generator by dga
in thread Unique ID Generator by LostS

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