From: Alex Gutteridge <alexg@...>
Date: 2013-02-21T20:20:58+09:00
Subject: Re: backslash substitution

On 21.02.2013 10:57, Mario Ruiz wrote:
> I cannot modify the string by myself... the string it is like it 
> is...
> is given as an argument so i cannot modify it by writing doubles

Carlo's point is that your string as it stands does not contain any 
backslashes. E.g.

>> a=" xxxxxx\tttt\3.4.2\uuuu"
=> " xxxxxx\tttt\003.4.2uuuu"
>> puts a
  xxxxxx ttt.4.2uuuu
=> nil

So your attempt to substitute them is destined to fail.

-- 
Alex Gutteridge