DEBUG ACTIVO
URL original: [https://youtu.be/Oy00Ok-bjbY?si=Kym06HLB0e6SXsd1]
Largo: 48
Array
(
    [scheme] => https
    [host] => youtu.be
    [path] => /Oy00Ok-bjbY
    [query] => si=Kym06HLB0e6SXsd1
)

Video ID detectado: [Oy00Ok-bjbY]
Pasa el regex? SI