From: Wild Al <bigb123@...>
Date: 2006-10-09T04:54:16+09:00
Subject: Re: Stripping unwanted html

eden wrote:
> 
> Here's a modified version of what I came up with, maybe you'll find it
> useful?
> 
>   def strip_tags_except(html, exceptions = [])
>     if html.index("<")
>       text = ""
>       tokenizer = HTML::Tokenizer.new(html)
>       while token = tokenizer.next
>         case node = HTML::Node.parse(nil, 0, 0, token, false)
>         when HTML::Tag
>           text << node.to_s if exceptions.include?(node.name)
>         when HTML::Text
>           text << node.to_s
>         end
>       end
>       text
>     else
>       html
>     end
>   end

I found this method very useful; it is exactly what I needed.  Thanks.
To all others: your suggestions helped too, especially in understanding
ruby. Thanks again...

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