PHP and regular expressions

Hi,
I'm new to this group and regular expressions. I want to extract text
from a newspaper website using regular expressions and php
I'm using this regular expression at the moment

$regexp = "%<table cellspacing=\"0\" cellpadding=\"0\"> (.+) <img
height=\"1\" alt=\"Today's News\" />%s";

Each news story is in between those tags , So if I extract those
chunks of html using

preg_match($regexp,$document,$matches);

where $document is a handle on the file. I can store them in %matches
for further processing. Alas it does not work and i cannot figure out
why

Can anyone help?
Thanks

.

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