$re = '/(http)s?:\/\/[^#?]+/';
$str = 'https://url.spec.whatwg.org/#url-syntax
https://url.spec.whatwg.org/
https://www.google.com/search?q=Regular+Expressions&num=1000
https://www.google.com/search';
preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0);
// Print the entire match result
var_dump($matches);
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for PHP, please visit: http://php.net/manual/en/ref.pcre.php