Getting info out of a taxonomy/term/[number]/0/feed rss-feed

Hi,

I would very much like to scrape the right url out of a already build feed, but the url is embedded, so not in a cck field.
The code is from the taxonomy/term/[number]/0/feed:

<a href="http://www.bellavakanza.nl/luxe-vakantie/index.aspx?tt=1623_0_31336_&r=http://www.bellavakanza.nl/malta/malta/st_julians/hotel_westin_dragonara_resort.htm">Boek nu deze reis naar Hotel Westin Dragonara Resort</a>        </div>

I would like to have http://www.bellavakanza.nl/luxe-vakantie/index.aspx?tt=1623_0_31336_&r=h... in a different cck_link field using feedapi_scraper.

Could you tell how I can do this with regular expressions please?
Thanks a lot in advance!
Greetings,
Martijn