Re: Regular expression string searching & matching

Ben Hanson <jamin.hanson@googlemail.com>
Mon, 12 Mar 2018 15:46:21 -0700 (PDT)

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[2 earlier articles]
Re: Regular expression string searching & matching jamin.hanson@googlemail.com (Ben Hanson) (2018-03-07)
Re: Regular expression string searching & matching clint.olsen@gmail.com (Clint O) (2018-03-08)
Re: Regular expression string searching & matching clint.olsen@gmail.com (Clint O) (2018-03-10)
Re: Regular expression string searching & matching jamin.hanson@googlemail.com (Ben Hanson) (2018-03-10)
Re: Regular expression string searching & matching jamin.hanson@googlemail.com (Ben Hanson) (2018-03-11)
Re: Regular expression string searching & matching clint.olsen@gmail.com (Clint O) (2018-03-12)
Re: Regular expression string searching & matching jamin.hanson@googlemail.com (Ben Hanson) (2018-03-12)
Re: Regular expression string searching & matching DrDiettrich1@netscape.net (Hans-Peter Diettrich) (2018-03-13)
Re: Regular expression string searching & matching jamin.hanson@googlemail.com (Ben Hanson) (2018-03-13)
Re: Regular expression string searching & matching jamin.hanson@googlemail.com (Ben Hanson) (2018-03-13)
Re: Regular expression string searching & matching clint.olsen@gmail.com (Clint O) (2018-03-17)
Re: Regular expression string searching & matching clint.olsen@gmail.com (Clint O) (2018-03-18)
Re: Regular expression string searching & matching clint.olsen@gmail.com (Clint O) (2018-03-20)
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From: Ben Hanson <jamin.hanson@googlemail.com>
Newsgroups: comp.compilers
Date: Mon, 12 Mar 2018 15:46:21 -0700 (PDT)
Organization: Compilers Central
References: 18-03-016 18-03-032 18-03-034 18-03-035 18-03-041
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Keywords: lex
Posted-Date: 12 Mar 2018 21:50:22 EDT

> [Doesn't that depend on whether you interpret the END STATE in state 6 to stop even
> if there's more input? -John]


That is why we have the "leftmost longest" rule. Try it out with any regex engine (including flex).


Regards,


Ben

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