From: Robert Klemme <shortcutter@...>
Date: 2008-03-07T02:59:56+09:00
Subject: Re: duplicating characters in a string

On 06.03.2008 17:40, Sebastian Hungerecker wrote:
> Tim Hunter wrote:
>> "abc".gsub(/./) { |c| c + c}
>> => "aabbcc"
> 
> "abc".gsub(/(.)/,'\1\1')
> => "aabbcc"

You do not need groups:

irb(main):003:0> "abc".gsub /./, '\\&\\&'
=> "aabbcc"

Cheers

	robert