$re = '#^https://docs.google.com/spreadsheets/d/(?<sheet_id>[a-zA-Z0-9\-_]+?)/\w*(\#gid=(?<gid>[0-9]+))?$#m';
$str = 'https://docs.google.com/spreadsheets/d/1qpnrhNW04i5bazsDMTxC_jjKX1txaNJuCPS1Ml8Q-is/edit#gid=2060287723';
preg_match_all($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