- '#http://(www\.)?youtube\.com/watch.*#i' => array( 'http://www.youtube.com/oembed', true ),
- '#https://(www\.)?youtube\.com/watch.*#i' => array( 'http://www.youtube.com/oembed?scheme=https', true ),
- '#http://(www\.)?youtube\.com/playlist.*#i' => array( 'http://www.youtube.com/oembed', true ),
- '#https://(www\.)?youtube\.com/playlist.*#i' => array( 'http://www.youtube.com/oembed?scheme=https', true ),
+ '#http://((m|www)\.)?youtube\.com/watch.*#i' => array( 'http://www.youtube.com/oembed', true ),
+ '#https://((m|www)\.)?youtube\.com/watch.*#i' => array( 'http://www.youtube.com/oembed?scheme=https', true ),
+ '#http://((m|www)\.)?youtube\.com/playlist.*#i' => array( 'http://www.youtube.com/oembed', true ),
+ '#https://((m|www)\.)?youtube\.com/playlist.*#i' => array( 'http://www.youtube.com/oembed?scheme=https', true ),