[nrktv] Relax _VALID_URL (closes #27299, closes #26185)
[nrktv] Relax _VALID_URL (closes #27299, closes #26185)

spvkgn/youtube-dl,Tatsh/youtube-dl,Tatsh/youtube-dl,rg3/youtube-dl,spvkgn/youtube-dl,rg3/youtube-dl,ozburo/youtube-dl,ozburo/youtube-dl