$re = '/selected=""\s*>(?:\s*x*\s*\w+\")+(.+)<\/option>/';
$str = 'test/15-test.jpg<select name="selShade" id="selShade" style="width: 100%;"
onchange="changeProduct(this.value,\'Table Lamps\', \'Crystal\')"> <option
value="108085" selected="">13" x 17" 10" Natural Paper </option>
<option value="108086">11 x 16" x 10" Silk Square</option> } </select>';
preg_match_all($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