1. In a computerized system including one or more computing devices, a method for constructing a regular-expression dictionary, as opposed to an exact-match dictionary, for utilization in computerized textual analysis, the method comprising: defining, using at least one of the computing devices, one or more data types for entries within the regular-expression dictionary in a markup-language schema; providing, using at least one of the computing devices, a structure in the markup-language schema encompassing the data types of the entries within the regular-expression dictionary; for each entry of a plurality of the entries, defining, using at least one of the computing devices, a mapping methodology between a source definition of the entry to the structure and the data types within the markup-language schema; and, mapping, using at least one of the computing devices, a definition of the entry to the data types within the structure of the markup-language schema using the mapping methodology.