$pattern_video =
"/(src)=(
\?)(["|']?)([^
"'>]+.(swf|flv|mp4|rmvb|avi|mpeg|ra|ram|mov|wmv)((?[^
"'>]+)?))\2\3/i";
$pattern_music = "/(src)=(
\?)(["|']?)([^
"'>]+.(mp3|wav|wma|ogg|ape|acc))\2\3/i";
$pattern_img = "/(src)=(
\?)(["|']?)([^
"'>]+.(gif|jpg|jpeg|bmp|png))\2\3/i";