This module provides a rule-based rewriting engine to rewrite requested URLs on the fly. ... Source File: mod_rewrite.c . ... This module uses a rule-based rewriting engine (based on a regular-expression parser) to rewrite requested URLs on the fly. ... The URL manipulations can depend on various tests, for instance server variables, environment variables, HTTP headers, time stamps and even external database lookups in various formats can be used to achieve a really granular URL matching. ... File . ...