From: yvon.thoravalNO-SPAM@... (Yvon Thoraval)
Date: 2004-10-05T17:59:51+09:00
Subject: Re: [yanq = yet another newbie question] correct syntax fovariable	and regexp

Robert Klemme <bob.news@gmx.net> wrote:

> needle = ARGV[2]
> rx = %r{^(.*)\s+#{needle}[\\s*|\\s+(.*)]}
> 
> If you want to be sure that meta symbols in needle are not interpreted you
> can do this:
> 
> rx = %r{^(.*)\s+#{Regexp.escape needle}[\\s*|\\s+(.*)]}
> 
> What strikes me odd is the rest of your regexp, especially the square
> brackets.  
>If you just want to match a certain word as word in the line
> you should probably use these ones:
> 
> rx = %r{\b#{needle}\b}
> rx = %r{\b#{Regexp.escape needle}\b}
> 
> "\b" matches a word boundary.

thanks for all, crystall clear to me �;)
(i had forgotten the magic of "\b")

and works great !!!


-- 
yt