From: "ToMaTo@..." <ustc.flyingfox@...>
Date: 2011-11-22T07:27:37+09:00
Subject: Re: Regular expression match

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Hello,

This syntax is used to return the matching portion of supplied regxp. For
example:

"hello world"[/(\w+)(\s)(\w+)/, 0] #=> "hello world"
"hello world"[/(\w+)(\s)(\w+)/, 1] #=> "hello"
"hello world"[/(\w+)(\s)(\w+)/, 2] #=> " "
"hello world"[/(\w+)(\s)(\w+)/, 3] #=> "world"

On Mon, Nov 21, 2011 at 5:02 PM, rubix Rubix <aggouni2002@yahoo.fr> wrote:

> Hi,
>
> Can anyone explain to me this regular expression, please:
> str[/\A([a-z]\w*)/, 1]
>
> what's the use of 1 in this expression
> regards,
>
> --
> Posted via http://www.ruby-forum.com/.
>
>


-- 
Life is a miracle.

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