https://gunkies.org/index.php?action=history&feed=atom&title=Lex 2026-04-15T10:14:07Z Revision history for this page on the wiki MediaWiki 1.30.1 https://gunkies.org/w/index.php?title=Lex&diff=25781&oldid=prev 2022-05-03T19:32:15Z

<p>Stubby, but a start</p> <p><b>New page</b></p><div>'''lex''' is a program which generates a [[parser]] (in either [[C programming language|C]] or [[Ratfor]]), given as input an array of [[regular expression]]s, and accompanying code sections. The generated parser will break an input stream into [[token]]s (defined by the regular expressions), and as each is recognised, the matching code section in executed.<br /> <br /> It was first written for [[UNIX Sixth Edition]], and first distributed outside [[Bell Labs]] as part of [[Unix Seventh Edition]]; it later became a standard part of the [[UNIX]] [[tool suite]] in later versions.<br /> <br /> {{semi-stub}}<br /> <br /> ==See also==<br /> <br /> * [[yacc]]<br /> <br /> ==External links==<br /> <br /> * [https://minnie.tuhs.org/cgi-bin/utree.pl?file=V7/usr/doc/lex lex] - V7 manual<br /> * [https://minnie.tuhs.org/cgi-bin/utree.pl?file=V7/usr/src/cmd/lex lex] - V7 source<br /> <br /> [[Category: UNIX Applications]]</div>

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