entrevista-programador-exercicio1.php

<?php
$urls = array(
    'http://google.com/',
    'https://google.com/',
    'https://google.com?q=Google',
    'https://google.com/search?q=Google',
    'https://google.com/search/?q=Google&limit=10',
    'https://google.com/search/?q=Google#results',
);

echo '<pre>';

foreach ($urls as $url) {
    preg_match('#^([^:]+)://([^/\?]+)*[^/\?]?(/[^\?]*)*(\?[^\#]*)*#', $url, $match);

    echo '<h1>'.$url.'</h1>';

    var_dump($match);
}