mailing list of musl libc
 help / color / mirror / code / Atom feed
From: Florian Weimer <fw@deneb.enyo.de>
To: "liheng \(P\)" <liheng40@huawei.com>
Cc: Rich Felker <dalias@libc.org>,
	 musl@lists.openwall.com,
	 "Xiangrui \(Euler\)" <rui.xiang@huawei.com>,
	 Lizefan <lizefan@huawei.com>
Subject: Re: [musl] regex Back reference matching result not same as glibc and tre.
Date: Sat, 18 Apr 2020 12:28:42 +0200	[thread overview]
Message-ID: <874kth84v9.fsf@mid.deneb.enyo.de> (raw)
In-Reply-To: <6D612B6AC5DCDA4580AF97B1068118AD2DC49A@DGGEML501-MBX.china.huawei.com> (liheng's message of "Sat, 18 Apr 2020 08:44:50 +0000")

* liheng:

> static const char pat[] = "(.?).?\\1";

> This commit reminds me that if i want to use back reference i should
> not to tag REG_EXTENDED, but this test case matching still failed.


Did you change the expression to this for the basic regular expression
test?

static const char pat[] = "\\(.?\\).?\\1";

  reply	other threads:[~2020-04-18 10:29 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-18  8:44 liheng (P)
2020-04-18 10:28 ` Florian Weimer [this message]
2020-04-18 11:07   ` liheng (P)
2020-04-18 11:13     ` Szabolcs Nagy
2020-04-18 11:37       ` liheng (P)
2020-04-18 14:07         ` Szabolcs Nagy
2020-04-19 12:26           ` liheng (P)
2020-04-19 13:10             ` Florian Weimer
2020-04-20  1:26             ` Rich Felker

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=874kth84v9.fsf@mid.deneb.enyo.de \
    --to=fw@deneb.enyo.de \
    --cc=dalias@libc.org \
    --cc=liheng40@huawei.com \
    --cc=lizefan@huawei.com \
    --cc=musl@lists.openwall.com \
    --cc=rui.xiang@huawei.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
Code repositories for project(s) associated with this public inbox

	https://git.vuxu.org/mirror/musl/

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).