DEBUG ACTIVO
URL original: [https://www.youtube.com/watch?v=TvZl0VUyxK8&list=PLlXaxWqGy4-r3SWvz5OrifX1tM0UqQJkL&index=44]
Largo: 92
Array
(
    [scheme] => https
    [host] => www.youtube.com
    [path] => /watch
    [query] => v=TvZl0VUyxK8&list=PLlXaxWqGy4-r3SWvz5OrifX1tM0UqQJkL&index=44
)

Video ID detectado: [TvZl0VUyxK8]
Pasa el regex? SI