$re = '/<a[^>]*>([^<]+)<\/a>+/';
$str = '<div class="row mb-xlg"><div class="col-md-12">
<div class="heading heading-border heading-middle-border"><h3>Compatible Models</h3></div>
<div class="row show-grid">
<div class="col-md-4"><a href="/model/SFSPC19S80/_/_/Sanyo/PC19S80/" title="Sanyo PC19S80 Remote Control (Pc-27s80)">PC19S80</a></div>
<div class="col-md-4"><a href="/model/SFSPC25580/_/_/Sanyo/PC25580/" title="Sanyo PC25580 Remote Control (Pc-27s80)">PC25580</a></div>
<div class="col-md-4"><a href="/model/SFSPC25S80/_/_/Sanyo/PC25S80/" title="Sanyo PC25S80 Remote Control (Pc-27s80)">PC25S80</a></div>
<div class="col-md-4"><a href="/model/SFSPC27S80/_/_/Sanyo/PC27S80/" title="Sanyo PC27S80 Remote Control (Pc-27s80)">PC27S80</a></div>
</div></div></div>';
preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0);
// Print the entire match result
var_dump($matches);
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for PHP, please visit: http://php.net/manual/en/ref.pcre.php