From: Josh Cheek <josh.cheek@...>
Date: 2009-10-08T06:47:40+09:00
Subject: Re: split question

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Content-Type: text/plain; charset=ISO-8859-1

On Wed, Oct 7, 2009 at 4:29 PM, Li Chen <chen_li3@yahoo.com> 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"
> 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/.
>
>
Single quotes treat things literally, like you can't interpolate, and \t is
treated as two separate characters.

$irb

>> RUBY_VERSION
=> "1.8.6"

>> s = '\t\t\t\t\t\t\t\t'
=> "\\t\\t\\t\\t\\t\\t\\t\\t"

>> s = "\t\t\t\t\t\t\t\t"
=> "\t\t\t\t\t\t\t\t"

>> s.split /\t/
=> []

>> 'abc#{2}def'
=> "abc\#{2}def"

>> "abc#{2}def"
=> "abc2def"

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