Check if a string is a URL in JavaScript

javascript-isurl.js

/**
 * Checks if a string is a URL
 * @example isUrl('https://orcascan.com') // true;
 * @param {string} str - value to test
 * @returns {boolean} true if URL otherwise false
 */
function isUrl(str) {
    return /(ftp|http|https):\/\/(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?/.test(str);
}