None of these parsers are used by Wikipedia; None of them handle the wiki code correctly.
Does anyone know what parser Wikipedia uses?
Wikipedia uses MediaWiki, which has its own parser.
Wikipedia runs on the Mediawiki engine, originally written precisely to use for Wikipedia.
They implement their own parser. A more thorough description of the parser is available in the manual.
来源：https://stackoverflow.com/questions/5956883/which-wiki-markup-parser-does-wikipedia-use