1. A method of validating data comprising the steps of: (a) extracting from the data a plurality of strings that match a predetermined regular expression; (b) identifying a validated subset of said strings; (c) calculating a known probability for a statistical measure of the data based on said predetermined regular expression; (d) comparing said statistical measure of said validated subset to said known probability for said statistical measure; and (e) determining, based on said comparing, if said validated subset meets at least one predetermined criterion relative to all of said plurality of strings taken collectively.