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Re: How to match regex in bash? (any character)

From: Chet Ramey
Subject: Re: How to match regex in bash? (any character)
Date: Tue, 27 Sep 2011 19:51:13 -0400
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:6.0.2) Gecko/20110902 Thunderbird/6.0.2

On 9/27/11 6:41 PM, Roger wrote:

> Correct.  After reading the entire Bash Manual page, I didn't see much mention
> of documentation resources (of ERE) besides maybe something about egrep from
> Bash's Manual Page or elsewhere on the web.  After extensive research for
> regex/regexpr, only found Perl Manual Pages.
> Might be worth mentioning a link or good reference for this ERE within the 
> Bash
> Manual (Page)?

The bash man page refers to regex(3).  On my BSD (Mac OS X) system, that
refers to re_format(7), which documents the BRE and ERE regular expression
formats.  On an Ubuntu box, to choose a representative Linux example, that
refers to regex(7), which contains the same explanation, and the GNU regex
manual.  This sort of "chained" man page reference is common.

If you like info, `info regex' on a Linux box should display both pages.

``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU    address@hidden    http://cnswww.cns.cwru.edu/~chet/

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