<?php
$url = 'http://www.acs.utah.edu/uofu/stu/scheduling/?cmd=index&classtype=g&term=1158';
$data = file_get_contents($url);
//$regex = "/class=\"href=\"(.*)\"/";
$regex = "/<a class=\"schedlinks\" href=\"(.*)\">/";
//$regex = "/<a\s*(.*)\>(.*)<\/a>/";
preg_match($regex,$data,$match);
var_dump($match);
echo $match[1];
?>