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Date:	Thu, 29 Aug 2019 22:08:11 +0300
From:	Andrey Repin <anrdaemon AT yandex DOT ru>
Reply-To:	cygwin AT cygwin DOT com
Message-ID:	<8910174142.20190829220811@yandex.ru>
To:	akiki AT free DOT fr, cygwin AT cygwin DOT com
Subject:	Re: bug with grep 3.0.2 in cygwin 3.0.7
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Greetings, akiki AT free DOT fr!

> Hi, 
> I encounter some problem with grep option -E on cygwin 3.0.7 


> echo "a^b" | grep "a^b" #answer a^b ie it's OK 
> but 
> echo "a^b" | grep -E "a^b" #answer nothing " for me it's KO 

That's an expected result of an impossible constraint.

> I have to backslash ^ to be OK like : grep -E 'a\^b' 

Yes.

> Is-it a bug ?

No.

> I don't know if all versions of cygwin and grep are concerned. 

RTFM, this is regexp basics.


-- 
With best regards,
Andrey Repin
Thursday, August 29, 2019 22:07:04

Sorry for my terrible english...


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