CODE EXAMPLE FOR JAVASCRIPT

regx get only domain name from url

function domain_from_url(url) {
    var result
    var match
    if (match = url.match(/^(?:https?://)?(?:[^@
]+@)?(?:www.)?([^:/
?=]+)/im)) {
        result = match[1]
        if (match = result.match(/^[^.]+.(.+..+)$/)) {
            result = match[1]
        }
    }
    return result
}

console.log(domain_from_url("www.google.com"))
console.log(domain_from_url("yahoo.com/something"))
console.log(domain_from_url("freds.meatmarket.co.uk?someparameter"))
console.log(domain_from_url("josh.meatmarket.co.uk/asldf/asdf"))

// google.com
// yahoo.com
// meatmarket.co.uk
// meatmarket.co.uk