Get YouTube Video ID by URL (+ URL examples)

YouTube_Video_ID_By_URL.js

function getYouTubeVideoIdByUrl(url) {
    const reg = /^(https?:)?(\/\/)?((www\.|m\.)?youtube(-nocookie)?\.com\/((watch)?\?(feature=\w*&)?vi?=|embed\/|vi?\/|e\/)|youtu.be\/)([\w\-]{10,20})/i
    const match = url.match(reg);
    if (match) {
        return match[9];
    } else {
        return null;
    }
}


// URL by https://gist.github.com/rodrigoborgesdeoliveira/987683cfbfcc8d800192da1e73adc486
const testUrls = `
www.youtube.com/watch?v=dQw4w9WgXcQ
//www.youtube.com/watch?v=dQw4w9WgXcQ
http://www.youtube.com/watch?v=dQw4w9WgXcQ
https://www.youtube.com/watch?v=dQw4w9WgXcQ

https://www.youtube.com/watch?v=dQw4w9WgXcQ#t=0m10s
https://www.youtube.com/watch?v=dQw4w9WgXcQ&feature=channel
https://www.youtube.com/watch?v=dQw4w9WgXcQ&feature=youtu.be
https://www.youtube.com/watch?v=dQw4w9WgXcQ&feature=youtube_gdata_player
https://www.youtube.com/watch?v=dQw4w9WgXcQ&feature=em-uploademail
https://www.youtube.com/watch?v=dQw4w9WgXcQ&feature=feedrec_grec_index
https://www.youtube.com/watch?v=dQw4w9WgXcQ&playnext_from=TL&videos=osPknwzXEas&feature=sub
https://www.youtube.com/watch?v=dQw4w9WgXcQ&list=PLGup6kBfcU7Le5laEaCLgTKtlDcxMqGxZ&index=106&shuffle=2655
https://www.youtube.com/watch?feature=player_embedded&v=dQw4w9WgXcQ

https://www.youtube.com/?v=dQw4w9WgXcQ
https://www.youtube.com/?feature=player_embedded&v=dQw4w9WgXcQ

https://www.youtube.com/embed/dQw4w9WgXcQ
https://www.youtube.com/embed/dQw4w9WgXcQ?rel=0
https://www.youtube.com/v/dQw4w9WgXcQ
https://www.youtube.com/v/dQw4w9WgXcQ?version=3&autohide=1
https://www.youtube.com/v/dQw4w9WgXcQ?fs=1&hl=en_US&rel=0
https://www.youtube.com/v/dQw4w9WgXcQ?fs=1&hl=en_US&rel=0
https://www.youtube.com/e/dQw4w9WgXcQ

https://m.youtube.com/watch?v=dQw4w9WgXcQ

https://youtube.com/watch?v=dQw4w9WgXcQ&feature=youtube_gdata_player
https://youtube.com/watch?vi=dQw4w9WgXcQ&feature=youtube_gdata_player
https://youtube.com/v/dQw4w9WgXcQ?feature=youtube_gdata_player
https://youtube.com/?v=dQw4w9WgXcQ&feature=youtube_gdata_player
https://youtube.com/?vi=dQw4w9WgXcQ&feature=youtube_gdata_player
https://youtube.com/vi/dQw4w9WgXcQ?feature=youtube_gdata_player

https://www.youtube-nocookie.com/v/dQw4w9WgXcQ?version=3&hl=en_US&rel=0
https://www.youtube-nocookie.com/embed/up_lNV-yoK4?rel=0

https://youtube.com/watch?v=dQw4w9WgXcQ&feature=channel
https://youtube.com/watch?vi=dQw4w9WgXcQ&feature=channel
https://youtube.com/?v=dQw4w9WgXcQ&feature=channel
https://youtube.com/?vi=dQw4w9WgXcQ&feature=channel
https://youtube.com/?feature=channel&v=dQw4w9WgXcQ
https://youtube.com/vi/dQw4w9WgXcQ&feature=channel

https://youtu.be/dQw4w9WgXcQ
https://youtu.be/dQw4w9WgXcQ?t=10
https://youtu.be/dQw4w9WgXcQ&feature=channel
https://youtu.be/dQw4w9WgXcQ?feature=youtube_gdata_player
https://youtu.be/dQw4w9WgXcQ?list=PLToa5JuFMsXTNkrLJbRlB--76IAOjRM9b

https://www.youtube.com/watch?v=QH2-TGUlwu4
https://www.youtube.com/watch?v=761ae_KDg_Q
`


function test() {
    const urls = testUrls.split('\n').map(e => e.trim()).filter(e => e);

    for (const url of urls) {
        console.log(`${url}  ===>  ${getYouTubeVideoIdByUrl(url)}`);
    }
}

test();