Answers for "javascript check valid domain name"

javascript get domain name from string

const url = 'https://www.mydomain.com/blog?search=hello&world';
const domain = (new URL(url)).hostname.replace('www.','');

method domain validator js

isDomain(arg) {
		let regexDomain = /^\w+([\.-]?\w+)*(\.\w{2,3})+$/;
		if (arg.match(regexDomain)) {
			return true;
		} else {
			return false;
		}
	}