From: "David A. Black" <dblack@...>
Date: 2009-04-27T10:00:49+09:00
Subject: Re: Deleting numbers in array

Hi --

Clayton Lane wrote:
> I'm new to Ruby and unsure how to delete numbers in an array. I have an
> array filled with numbers from 1 to 100. If I use nums.delete_if {|x| x
> == 9 }, it will delete 9, but I want to remove any number containing 9.
> For example, 19, 39, 92, 99 etc. I tried using a wildcard, but it didn't
> work. I'm sure theres an easy command to do it, but I wasn't able to
> find it on in Ruby documentation. I also want to remove numbers
> containing 0,6,7, and 8 as well. Any help would be greatly appreciated.

You're pretty much going to have to convert the numbers to strings. For 
example:

   array.delete_if {|x| x.to_s[/[06789]/] }


David

-- 
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