From: Akchizar <akchizar@...>
Date: 2006-07-01T10:07:55+09:00
Subject: Re: Puzzled?

Regexp#match returns nil if it doesn't match anything. On the first  
run through your each statement, s is "foo", which doesn't match  
against your regex. That means m is nil, and so you get an error when  
trying to grab m[0].

On 1/07/2006, at 12:58 PM, Volkan Civelek wrote:

> Hi,
> I have a question...
>
> Why the below snippet,
>
> ["foo","bar","baz"].each do |s|
>     m = /^ba(.*?)$/.match(s)
>     puts m[0]
> end
>
>  gives the following error?
>
> test.rb:8: undefined method `[]' for nil:NilClass (NoMethodError)
>
> Regards,
> Volkan
>