JSFiddle - React, Tailwind, and code Playground

by maleol

HTML

<input type="text" id="youtubeUrl"/>
<input type="button" value="Validate" onclick="validateYouTubeUrl()">

JavaScript

function validateYouTubeUrl() {    
    var url = $('#youTubeUrl').val();
    if (url != undefined || url != '') {        
        var regExp = /^.*(youtu.be\/|v\/|u\/\w\/|embed\/|watch\?v=|\&v=|\?v=)([^#\&\?]*).*/;
        var match = url.match(regExp);
        if (match && match[2].length == 11) {
           	alert('valid');
        } else {
            alert('not valid');
        }
    }
}