Koen Verbeeck (11/28/2012)
^ is the negation. So %[^0-9.-]% means "every character that is not 0 through 9, a dot or the minus symbol".
Thanks, and thanks for site link, it makes more sense to me now.
If this is the case, I think I don't need to include . and - sign.
Because my building code always is a number, no negative, no decimals.
So shall I just use
not like %[^0-9]%