From: Tom Morris <tom@...>
Date: 2009-01-10T13:59:37+09:00
Subject: Re: Help with HTML parsing

On 2009-01-08, Phlip <phlip2005@gmail.com> wrote:
> Vivek Netha wrote:
>>>> x << doc.search("//li[@class='g w0']/h3/a")
>
> You could try contains(@class, "w0"), but that would match "w0p0p", which is a 
> different class.
>

XPath that solves this:
contains(concat(' ', @class, ' '), ' w0 ')

You can join multiple classes together like this:
contains(concat(' ', @class, ' '), ' w0 ') && contains(concat(' ',
@class, ' '), ' g ')

It's not pretty. I've written it too much in my life.
I do wish XPath had a class selector.

-- 
Tom Morris
<http://tommorris.org>