From: dblack@...
Date: 2007-08-06T11:00:18+09:00
Subject: Re: Doubts on char patterns into String.each argument

Hi --

On Mon, 6 Aug 2007, Ken Bloom wrote:

> On Mon, 06 Aug 2007 08:43:07 +0900, Carlos Ortega wrote:
>
>> "Substring1 Substring2 Substring3".each( '\s*' ) { | substring |
>>    puts "[" + substring +"]"
>>    }
>
> In ruby, if you want something to be interpreted as a regular expression,
> you must declare it as a regular expression. Hence /\s*/ would be
> correct. Except that each() only accepts strings, so you can't use a
> regular expression with it.
>
> Use
> "Substring1 Substring2 Substring3".split(/\s+/).each{|x| puts x}
> instead

You could also just do:

   puts "Substring1 Substring2 Substring3".split(' ')

You could even leave off the (' '), except then if $; has a value
you'd end up splitting on that.


David

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