18. The non-transitory computer-readable medium of claim 14 , wherein the search elements comprise a plurality of auxiliary anchor elements, each to describe a data field.
18. The non-transitory computer-readable medium of claim 14 , wherein the search elements comprise a plurality of auxiliary anchor elements, each to describe a data field. 19. The non-transitory computer-readable medium of claim 18 , wherein the auxiliary anchor elements are predefined and are selected from the group consisting of Static Text, Separator, White Gap, Barcode, Character String, Paragraph, Picture, Phone, Date, Time, Currency, Logo, Group, Table, and Repeating Item.