/(?:youtube(?:-nocookie)?\.com\/\S*(?:(?:\/e(?:mbed))?\/|watch\/?\?(?:\S*?&?v\=))|youtu\.be\/)([a-zA-Z0-9_-]{6,11})/
URL: https://vk.com/video-123456_789012
oid: -123456, id: 789012
URL: https://m.vk.com/video-123456_789012
oid: -123456, id: 789012
URL: https://vk.com/video?z=video-123456_789012
oid: -123456, id: 789012
URL: https://vk.com/clip-123456_789012
oid: -123456, id: 789012