From: Mark Thomas <mark@...>
Date: 2009-02-12T06:04:00+09:00
Subject: Re: regexp problem

On Feb 11, 3:36 pm, w_a_x_...@yahoo.com wrote:
> On Feb 11, 11:01 am, Mark Thomas <m...@thomaszone.com> wrote:
>
> > As long as we're being pedagogical, I prefer XPath to all the previous
> > posted solutions.
>
> > * More accommodating to minor changes in the HTML
> > * Very short (one-liner) and easy to read (IMHO)
>
> > require 'nokogiri'
> > doc = Nokogiri::HTML(html)
>
> > puts doc.xpath('//td[contains(.,"Traffic left")]/following-
> > sibling::td//script').to_s.scan(/Math.ceil.-(\d*)/)
>
> What if the cell contains "No Traffic left"?

Then you can use the XPath function starts-with() instead of contains
().