Walk through the fields : السير وسط الحقول

function getId(url) { var regExp = /^.*(youtu.be\/|v\/|u\/\w\/|embed\/|watch\?v=|\&v=)([^#\&\?]*).*/; var match = url.match(regExp); if (match && match[2].length == 11) { return match[2]; } else { return 'error'; } } var videoId = getId('https://www.youtube.com/watch?v=EU0x-vAh8gc');

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