$re = '/<div class="comment-item__reply">ваш комментарий в статье <a href="http:\/\/cont\.ws\/post\/\d+#com(\d+)">[\s\S]*?<\/a>\s*<\/div>/u';
$str = '';
preg_match_all($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