Determining credit/debit card type

Posted by ct2k7 on Stack Overflow See other posts from Stack Overflow or by ct2k7
Published on 2010-04-05T13:30:44Z Indexed on 2010/04/05 13:33 UTC
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Hi, I'm writing a POS application for the iPhone/iPod combination, using the same exact hardware used in Apple Stores:: EasyPay.

Ok, my hurdle is this: how do I identify which credit card type is being used as text is entered in the uitextfield?

I assume I've to use textField:shouldChangeCharactersInRange:replacementString:? However, I've got ideas floating around, but I simple cannot put them together to form code :/

Any help is appreciated!

Thanks in advanced :D

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