Language/File format Parsers in Haskell
This page is intended to serve as a collection of links to various readily-available parsers, implemented in Haskell.
Parsec parser for JSON: http://www.tom.sfc.keio.ac.jp/~sakai/d/data/200604/JSON.hs
Other places to look
Make sur you visited Applications_and_libraries/Compilers_and_interpreters.
Found parser which I forgot to mention? Add link here.