From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <b954b2060802290753w2428f7a4wd3a3d5b65029a927@mail.gmail.com>
Date: Fri, 29 Feb 2008 23:53:12 +0800
From: "Hongzheng Wang" <wanghz@gmail.com>
To: "Fans of the OS Plan 9 from Bell Labs" <9fans@cse.psu.edu>
Subject: Re: [9fans] ^ and $ in structural expressions
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References: <20080229140847.GA20853@dinah>
	<df49a7370802290748g3010fa2ehd12eeb316dffa8dc@mail.gmail.com>
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And it might also make regexp too complicated.

On Fri, Feb 29, 2008 at 11:48 PM, roger peppe <rogpeppe@gmail.com> wrote:
> > Lately, I've been running into situations where it would
>  > be convenient to have them match what they should, i.e.,
>  > the beginning and end of the selected data.
>
>  i've often wanted something similar, but i'm not sure you can
>  re-use ^ and $, as for example ,x/;$/d would stop working.
>
>  i thought perhaps =AB and =BB would do the job, but that's
>  not considered a good idea.
>
>  here are some relevant articles from the archives:
>
>     http://9fans.net/archive/2003/10/241
>     http://9fans.net/archive/2003/10/245
>     http://9fans.net/archive/2003/10/340
>     http://9fans.net/archive/2003/10/341
>     http://9fans.net/archive/2003/10/343
>
>  basically, it might be useful, but there's no way to fit it into the syn=
tax.
>



--=20
HZ