'/\<blockquote\>(.*?)\<\/blockquote\>/is',
'/\<video(.*?) src=\"(.*?)\" (.*?)\>(.*?)\<\/video\>/is',
'/\<audio(.*?) src=\"(.*?)\" (.*?)\>(.*?)\<\/audio\>/is',
+ '/\<iframe(.*?) src=\"(.*?)\" (.*?)\>(.*?)\<\/iframe\>/is',
);
'[quote]$1[/quote]',
'[video]$1[/video]',
'[audio]$1[/audio]',
+ '[iframe]$1[/iframe]',
);
// Replace $htmltags in $text with $bbtags