From: Peter Szinek <peter@...>
Date: 2006-12-19T18:17:04+09:00
Subject: Re: Hpricot and Regular expression

Dhanasekaran Vivekanandhan wrote:
> Hi All,
> I have a html fragment like the following
> 
> <a href="forumdisplay.php?f=131"><strong>Toon Zone News1</strong></a>
> <a href="forumdisplay.php?f=132"><strong>Toon Zone News2</strong></a>
> <a href="forumdisplay.php?f=133"><strong>Toon Zone News3</strong></a>
> <a href="forumdisplay.php?f=abcd"><strong>Toon Zone News3</strong></a>
> 
> I want to match only the first three anchor tags, I dont want to get the
> last one since the href f parameter is abcd.it is not an integer. I want
> to get only if the request parameter is integer.i.e. the first three
> anchor tags.

Try

result = (Hpricot(html)/"a[@href]").map.reject { |elem| 
elem.attributes['href'] !~ /=\d+$/ }

HTH,
Peter
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