What the heck is a parser-combinator?
Gotta love Parsec for Haskell and pyparsing for Python. Some other awesome parsing libs:PEGTL - C++  Parsing Expression Grammar Template Library
https://github.com/taocpp/PEGTLParboiled - Java & Scala PEG Library
https://github.com/sirthias/parboiledNom - Rust parser combinator framework
https://github.com/Geal/nomNearley - JavaScript parser toolkit
https://github.com/Hardmath123/nearleyNeotoma - Erlang library and packrat parser-generator for PEGs
https://github.com/seancribbs/neotoma