SML/NJ Library Manual

The `RegExpFn` functor

functor RegExpFn ( ... ) : REGEXP

This functor creates a concrete regular expressions matcher by glueing together a concrete syntax and a matching engine.

structure P : REGEXP_PARSER structure E : REGEXP_ENGINE

structure P: This is the structure implementing the frontend (syntax) of regular expressions.
structure E: This is the structure implementing the backend (engine) of regular expressions.