$re = '@<div\sclass="[^>]*><a\s[^>]*><span[^>]*>[^>]*></i>[^>]*>[^>]*></i>\s(.*?)\s\([^>]*>[^>]*></a>@mi';
$str = '<div class="list-group font-12"><a class="list-group-item break-word view_file_download at-tip" href="https://kazua.net/bbs/download.php?bo_table=price&wr_id=3504&no=0&page=2"><span class="pull-right hidden-xs text-muted"><i class="fa fa-clock-o"></i> 2018.07.25 02:37</span><i class="fa fa-download"></i> tvN 식샤를 합시다 3 비긴즈.E03.180723.1080p-NEXT.mp4.torrent (209.7K) <span class="orangered">+ 16</span></a>';
preg_match_all($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