$re = '/(?:\([^()]+\).*?){2}\(([^()]+)\)/';
$str = 'Report - No Adj - Direct Deposit (1) (64402117-acdd-44f9-a9de-53a5b83b961a) (2014-08-20).dotx';
preg_match_all($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