$re = '/(((http|https):\/\/)|(www))([a-zA-Z0-9_\.\/+=!#\-~]+)(\?([a-zA-Z0-9_\.\/\?\&+=!#\-~]+))?/';
$str = 'https://tbank.no/panel/log.php?accountID=jostein
http://loool.com
https://www.jaha.no/
www.jensemann.com/!#hashlink
www.fref.com?a=b&c=d
http://a.com?a=a+++b+er+fer+f!';
preg_match_all($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