| 摘要 |
A method may comprise identifying a field of a digital document as containing information related to an order. The method may include deconstructing the field into a character string. The method may include comparing the character string with a set of regularized purchase-related expressions, thereby parsing the character string. The method may include extracting order information from the character string if the character string meets a condition of the one regularized purchase-related expression, and providing the extracted order information. Also disclosed are related systems. |
