11. A computer-implemented system comprising: a processor coupled to a memory; a background pattern detector to identify, using the processor, a background pattern associated with a printed document; a validation module to, using the processor: based on the background pattern, determine identification of an electronic document corresponding to the printed document, determine, based on the identification, an electronic version of the electronic document; and an alert module to trigger, using the processor, an alert, if the determined electronic version of the electronic document is an invalid electronic version of the electronic document.
11. A computer-implemented system comprising: a processor coupled to a memory; a background pattern detector to identify, using the processor, a background pattern associated with a printed document; a validation module to, using the processor: based on the background pattern, determine identification of an electronic document corresponding to the printed document, determine, based on the identification, an electronic version of the electronic document; and an alert module to trigger, using the processor, an alert, if the determined electronic version of the electronic document is an invalid electronic version of the electronic document. 14. The system of claim 11 , wherein the validation module is to evaluate expiration date data associated with the electronic document.