From: Tim Hunter <TimHunter@...>
Date: 2008-07-07T07:00:26+09:00
Subject: Re: .include? for string

Chris Chris wrote:
> Hi,
> 
> I have an array a
> 
> => [["abc", "def", "ghi|ghi|kl"], ["jkl", "mno", "ghi|pqr"], ["stu",
> "vwx", "yz|abc"]]
> 
> Some strings contain the pipe character.
> 
> I want to delete all the arrows that do NOT contain a certain string.
> 
> I tried this:
> 
> a.delete_if { |x| !x.include? "ghi|ghi" }
> 
> => []
> 
> Of course, the array I need would be
> => [["abc", "def", "ghi|ghi|kl"]]
> 
> 
> I couldn't figure out a work around. Any wildcards available for string
> checking in Ruby? Any ideas?
> Thanks.
> 
> Cheers,
> Chris

Try

a['|']

That will return nil if the string does not contain the pipe.


-- 
RMagick: http://rmagick.rubyforge.org/
RMagick 2: http://rmagick.rubyforge.org/rmagick2.html