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http://tinyurl.com/9ehnsThis is from 1998, so there are no doubt better ways today, but it shows a way to eliminate all of the characters except the ones you list in a constant.
Essentially you can define a 40-element array of 1-character each. Then do a for/endfor loop, reading and saving digits. When I find a digit I start a new record. If i am reading digits and find anything but a digit, then the record is done. That way I can have several invoice numbers per 40-char. comment.
steema@xxxxxxxxxxxxx wrote:
On further relection, it is ok if there are 'wrong' invoice numbers in this mix. I have a comment field of 40 that will have some valid invoice numbers, and maybe non-valids like a phone number. I just want to wade through this 40 pos. field and pick up all contiguous numerics. I won't even be concerned about the X before it, I can add this if I want. The purpose here is to speed up a process by aggregating these invoice numbers. I am seeking the most elegant and efficient way to do this. Thanks, Steve
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