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ReportAs you may know, MasterCard numbers normally start with a 5. In our RMS tender type setup, we had a validation mask for a MasterCard tender type. The mask looks like this: "5*". Recently, MasterCard has started issuing cards that start with a 2, meaning that those cards would fail to process as they did not start with 5. After some testing, I found that the validation mask line in RMS actually supports regular expressions. So entering "[25]*" (without quotes, but with brackets) means that cards starting with 2 OR 5 will work on that tender type.
Many customers probably do not separate the card types or use validation masks. However, we have specific requirements for importing the tender information into our Great Plains setup so we end up splitting them out. It also looks better on the receipt when you see the exact card type next to the tendered amount.
When we first encountered this issue, I checked the help file and found this information was incomplete. The help file only shows how to use single digits with an asterisk and does not mention regex. I thought I'd share this with the community in case anyone needs it.
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