nvm
The problem you are having is due to the line breaks in your title attribute.
I was able to get the title data returned using
<?php
$string = '<span title="1280 Acres, 2 Sections
Secs 26&35-162-99">2SEC</span>';
preg_match('/<span title="(.*?)">/ms', $string, $matches);
var_dump($matches);
?>