From: Ryan Davis <ryand-ruby@...>
Date: 2009-10-08T06:39:57+09:00
Subject: Re: split question


On Oct 7, 2009, at 14:29 , Li Chen wrote:

> Hi all,
>
> I try to split a line that is separated by 'tab' and expect return an
> array with all the elements containing empty space. But my code  
> doesn't
> work. Any idea?
>
> Thanks,
>
> Li
>
> C:\Documents and Settings\chen41\Desktop>irb
> irb(main):001:0> s='\t\t\t\t\t\t\t\t'
> => "\\t\\t\\t\\t\\t\\t\\t\\t"

These aren't tabs. They're "\" followed by "t", you can tell because  
the "\" is backslashed, meaning it is a literal backslash.

Use double quotes instead.

> irb(main):002:0> s.split(/\t/)
> => ["\\t\\t\\t\\t\\t\\t\\t\\t"]
> irb(main):003:0> s.split(/\\t/)
> => []
> irb(main):004:0>
> -- 
> Posted via http://www.ruby-forum.com/.
>