From: Michael Guterl <mguterl@...>
Date: 2008-01-24T09:36:32+09:00
Subject: Re: Stuff method

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On Jan 23, 2008 7:23 PM, Carl Graff <cagraff@cox.net> wrote:

> Hi,
>
> I missed the stuff function or method found in some languages so I added
> this method to my Helpers mixin.
>
>
> def stuff(str, substr, rplstr, prefix = '.*')
>  r1 = Regexp.new("(#{prefix})(#{substr})(.*)")
>  str.gsub(r1,'\1'+rplstr+'\3')
> end
>
> puts stuff('012-014640-001','-.','-X')
>
> This works but if you know a better way please share so I can learn.
>
> In particular it would be nicer I think if it worked like this:
>
> new_str = '012-014640-001'.stuff('-.','-X')
>
> Try this if you want it to work like above.  You should always be careful
when modifying core classes, yada yada yada...

class String
  def stuff(substr, rplstr, prefix = '.*')
     r1 = Regexp.new("(#{prefix})(#{substr})(.*)")
     self.gsub(r1,'\1'+rplstr+'\3')
  end
end

Michael Guterl

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