From: Li Chen <chen_li3@...>
Date: 2009-10-08T06:57:33+09:00
Subject: Re: split question

Ryan Davis wrote:
> On Oct 7, 2009, at 14:29 , Li Chen wrote:
> 
>>
>> 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.

Here is what I get using double quotes. I get an empty array only.


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/)
=> []
irb(main):003:0>

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