From: Robert Klemme <shortcutter@...>
Date: 2009-03-28T19:55:04+09:00
Subject: Re: Regular Expression interesting problem

On 28.03.2009 11:00, Eric Hodel wrote:

> PS: You'll probably want to do something like scan for <, then scan  
> for a tag name, then scan for attributes, then scan for >, etc.

I'd probably rather scan for each <link> tag and then analyze it, i.e.

doc.scan %r{<link[^>]*>}i do |link|
   if %r{(?i:type)=["']application/rss\+xml["']} =~ link
     ...
   end
end

Note that the scanning RX is weak.

But I agree, rather use the proper tool for the job.

Cheers

	robert