[debbugs-tracker] bug#23676: closed (Seems egrep violates simple rules of regexps)

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Your message dated Wed, 1 Jun 2016 12:47:41 -0700
with message-id <address@hidden>
and subject line Re: bug#23676: Seems egrep violates simple rules of regexps
has caused the debbugs.gnu.org bug report #23676,
regarding Seems egrep violates simple rules of regexps
to be marked as done.

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-- 
23676: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=23676
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> --- Begin Message ---
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>
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> Subject: 
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> Seems egrep violates simple rules of regexps
>
>
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> Date: 
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> Thu, 2 Jun 2016 00:33:54 +0500
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>
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> Example:
>
> $ echo qwerty | egrep -o 'we|wert'
> wert
> $ echo qwerty | egrep -o 'wert|we'
> wert
>
> The same in Javascript:
>
> /we|wert/.exec('qwerty')
> ["we"]
> /wert|we/.exec('qwerty')
> ["wert"]
>
> http://stackoverflow.com/questions/2394931/regex-is-behaving-lazy-should-be-greedy
>
> $ egrep --version
> grep (GNU grep) 2.25
>
>
> -- 
> Segmentation fault
>
>
>
> --- End Message ---
> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: bug#23676: Seems egrep violates simple rules of regexps
>
>
>
>
> Date: 
>
> Wed, 1 Jun 2016 12:47:41 -0700
>
>
>
>
> User-agent: 
>
> Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.1.0
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>
>
>
> On 06/01/2016 12:33 PM, Марк Коренберг wrote:
> > Example:
> >
> > $ echo qwerty | egrep -o 'we|wert'
> > wert
> > $ echo qwerty | egrep -o 'wert|we'
> > wert
>
> That's not a bug; it's a feature. See, for example:
>
> https://swtch.com/~rsc/regexp/regexp1.html
>
>
> --- End Message ---