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From: Joe Fineman <joe_f@verizon.net>
To: help-gnu-emacs@gnu.org
Subject: Re: How do I search for 9001 or 4001
Date: Wed, 22 Aug 2012 17:30:08 -0400	[thread overview]
Message-ID: <ur4qy8vj3.fsf@verizon.net> (raw)
In-Reply-To: barmar-765119.10452222082012@news.eternal-september.org

Barry Margolin <barmar@alum.mit.edu> writes:

> 4001\|9001 will work. Emacs uses basic regular expressions, which
> means that the extended regexp operators have to be escaped. This
> means you have to use \(, \|, and \) instead of (, |, and ).

Live & learn.  I never thought of \| as an escaped |.  I thought it
was an approximation to the logicians' $\vee$ for "or".
-- 
---  Joe Fineman    joe_f@verizon.net

||:  I wish I had never been born -- but who has such luck?  Not  :||
||:  one in ten thousand.                                         :||


  reply	other threads:[~2012-08-22 21:30 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <mailman.7406.1345632926.855.help-gnu-emacs@gnu.org>
2012-08-22 12:34 ` How do I search for 9001 or 4001 Joost Kremers
2012-08-22 14:45 ` Barry Margolin
2012-08-22 21:30   ` Joe Fineman [this message]
2012-08-23  2:06     ` Barry Margolin
2012-08-23 21:33       ` Joe Fineman
2012-08-22 10:55 acomber
2012-08-22 11:12 ` acomber
2012-08-22 11:21 ` Mark Skilbeck

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