linux-kernel - Re: [PATCH -perf/perf/core 4/6] perf: Add strfilter for general purpose string filter

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Message-ID: <1294923701.19601.108.camel@laptop>
Date:	Thu, 13 Jan 2011 14:01:41 +0100
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
Cc:	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Ingo Molnar <mingo@...e.hu>,
	Steven Rostedt <rostedt@...dmis.org>,
	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>,
	Franck Bui-Huu <fbuihuu@...il.com>,
	linux-kernel@...r.kernel.org, 2nddept-manager@....hitachi.co.jp,
	Paul Mackerras <paulus@...ba.org>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Subject: Re: [PATCH -perf/perf/core 4/6] perf: Add strfilter for general
 purpose string filter

On Thu, 2011-01-13 at 21:46 +0900, Masami Hiramatsu wrote:
> Format:
> <rule> ::= <glob-exp> | "!" <rule> | <rule> <op> <rule> | "(" <rule> ")"
> <op> ::= "&" | "|"
> 
> e.g.
>  "(add* | del*) & *timer" filter rules pass strings which
>  start with add or del and end with timer. 

Why not simply use regexps?
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