From: Peter Stephenson <p.stephenson@samsung.com>
To: zsh-users@zsh.org
Subject: Re: substitution groups and patterns i replace string (Emacs' \\1 etc.)
Date: Thu, 03 Mar 2016 09:41:40 +0000 [thread overview]
Message-ID: <20160303094140.705eb3bd@pwslap01u.europe.root.pri> (raw)
In-Reply-To: <87k2lk2ws9.fsf@debian.uxu>
On Thu, 3 Mar 2016 02:08:22 +0100
Emanuel Berg <embe8573@student.uu.se> wrote:
> When I do substitution, can I do groups and patterns
> like in Emacs with \\1, \\2 to reference the
> particular matches, and thus construct the replace
> string out of them any way I like?
You do it with $match, and if you need to refer to positions in the
original string, $mbegin and $mend. See the description of the (#b)
pattern in the zshexpn manual page.
local -a match mbegin mend
if [[ $url = (#b)http://(*) ]]; then
print $match[1]
fi
Works with other forms of pattern matching.
pws
next prev parent reply other threads:[~2016-03-03 9:41 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-03 1:08 Emanuel Berg
2016-03-03 9:41 ` Peter Stephenson [this message]
2016-03-06 5:57 ` Emanuel Berg
2016-03-06 7:15 ` Mikael Magnusson
2016-03-08 2:52 ` Bart Schaefer
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