From: "David A. Black" <dblack@...>
Date: 2008-07-07T07:01:51+09:00
Subject: Re: .include? for string

Hi --

On Mon, 7 Jul 2008, 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?

Maybe you want this:

   a.delete_if {|ary| !ary.any? {|string| string.include?('ghi|ghi') } }

or something like that.


David

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