🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaРусскийفارسی한국어中文日本語EntityQ306650· pop 19· linked from 253 articleslexAlso known as lex.1, lex(1), flex, flex.1, flex(1), flex++standard UNIX utilityAvailable in 19 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsArmenianCzechFinnishGreekHungarianConnectionsregular expressionEntityoperating systemEntityCategoriesCompiling toolsFinite-state machinesLexical analysisPlan 9 commandsUnix programming toolsUnix SUS2008 utilities