From: fiore AT cs DOT buffalo DOT edu (Joseph N Fiore) Newsgroups: comp.os.msdos.djgpp Subject: Re: flex/bison lower/upper case question Date: 10 May 1997 23:28:28 GMT Organization: University at Buffalo Lines: 15 Message-ID: <5l30as$a56@prometheus.acsu.buffalo.edu> References: NNTP-Posting-Host: armstrong.cs.buffalo.edu NNTP-Posting-User: fiore To: djgpp AT delorie DOT com DJ-Gateway: from newsgroup comp.os.msdos.djgpp Precedence: bulk Gary R Sekinger (sekinger+@andrew.cmu.edu) wrote: > I'd like to have my grammar be case insensitive but this doesn't seem > very easy. I've started specifying all the various combinations, which > isn't very practical: [snip] Quoth the man page, flex command line options: -i instructs flex to generate a case-insensitive scanner. The case of letters given in the flex input patterns will be ignored, and tokens in the input will be matched regardless of case. So if you 'flex' using the command line: flex -i blah.l as far as the lexer is concerned seed == SEED == Seed == SeEd == ...