From: "David A. Black" <dblack@...>
Date: 2009-08-29T08:02:05+09:00
Subject: Re: I need a string#all_indices method--is there such a thing?

Hi --

On Fri, 28 Aug 2009, Harry Kakueki wrote:

> class String
>  def all_indices(reg)
>    idx = []
>    (0...self.length).each{|x| idx << x if self[x..-1] =~ /\A#{reg}/}
>    idx
>  end
> end

Might as well let #select do the choosing:

   def all_indices(re)
     (0...size).select {|i| self[i..-1][/\A#{re}/] }
   end

And maybe better to create the regex only one:

   def all_indices(re)
     re = /\A#{re}/
     (0...size).select {|i| self[i..-1][re] }
   end


David

-- 
David A. Black / Ruby Power and Light, LLC / http://www.rubypal.com
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