US Patent 7900831 Method and system using wildcard values

A method of processing data on a server computer is disclosed. The method includes receiving data at the server computer, the data including a first data string including one or more wildcard values. The first data string is specifically associated with a consumer, and the one or more wildcard values are associated with the purchase transaction. The method also includes comparing the first data string to a second data string by the server computer, and providing an output to the consumer based on the comparison.