1. A method of detecting if an electronic message is in a particular format, comprising the steps of: decomposing the message into a set of components according to a predetermined component size; and applying pattern recognition logic to the set of components as a function of the predetermined component size to determine if the electronic message is predominately natural language text, wherein applying pattern recognition logic includes: determining an observed phi of the electronic message; determining a plain-text phi of the electronic message as a function of the component size; and comparing the observed phi to the plain-text phi to determine if the electronic message includes data in the particular format.