정규식 1차 도메인만 추출

<?

$domain="www.naum.kr";

preg_match('/[^\.]+\.([^\.]{4}|[^\.]{3}|(co|or|pe|ac)\.[^\.]{2}|[^\.]{2})$/i', $domain, $matches);

print_r($matches);

?>

결과 :

Array ( [0] => naum.kr [1] => kr )






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$domain = "http://aaa.www.domain.net";
$pattern = "/[a-z]+\.([a-z]|co\.kr)+$/si";

preg_match($pattern, $domain, $match);





결과 : $match[0] : domain.net