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From: "Dmitry V. Levin" <ldv@altlinux.org>
To: Egor Ignatov <egori@altlinux.org>
Cc: Paul Eggert <eggert@cs.ucla.edu>, bug-gnulib@gnu.org
Subject: Re: [PATCH] regex: fix backreference matching
Date: Wed, 16 Jun 2021 13:13:39 +0300	[thread overview]
Message-ID: <20210616101339.GA8379@altlinux.org> (raw)
In-Reply-To: <20210616094615.186681-1-egori@altlinux.org>

On Wed, Jun 16, 2021 at 12:46:15PM +0300, Egor Ignatov wrote:
> This fixes a bug described in 70b673eb7.
[...]
> -  { "^(a*)*(.)", "ab", REG_EXTENDED, 3, { { 0, 2 }, { 0, 1 }, { 1, 2 } } },
> +  { "^(a*)*(.)", "ab", REG_EXTENDED, 3, { { 0, 2 }, { 1, 1 }, { 1, 2 } } },

Sorry, but how this could be correct?
Since the expression consists of two consequent parts, the whole match
should also consist of two consequent substring matches, shouldn't it?


-- 
ldv


  reply	other threads:[~2021-06-16 10:13 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-26  9:08 [PATCH] regex: fix match with possessive quantifier Egor Ignatov
2021-06-06 21:45 ` Dmitry V. Levin
2021-06-07  1:10   ` Dmitry V. Levin
2021-06-16  9:46     ` [PATCH] regex: fix backreference matching Egor Ignatov
2021-06-16 10:13       ` Dmitry V. Levin [this message]
2021-06-29  8:51         ` Egor Ignatov
2021-07-05 12:12           ` Dmitry V. Levin
2021-07-09 12:36             ` [PATCH v2] " Egor Ignatov
2021-06-16 10:18     ` [PATCH] regex: fix match with possessive quantifier Dmitry V. Levin
2021-06-21 21:09   ` Paul Eggert
2021-06-22 15:35     ` Egor Ignatov
2021-06-22 15:35       ` [PATCH] regex: fix assertion in re_node_set_insert Egor Ignatov
2021-06-22 19:41         ` Paul Eggert

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