Instaparse, a parsing library for Clojure, tries to make context-free grammars "as easy to use as regular expressions." It uses an EBNF input format that should

Instaparse, a parsing library for Clojure, tries to make context-free grammars "as easy to use as regular expressions." It uses an EBNF input format that should be familiar to many programmers. https://github.com/Engelberg/instaparse https://github.com/Engelberg/instaparse