script > 그누보드

$wr_content = preg_replace('/<script.*?>.*?<\/script>/is', '', $wr_content);

$wr_content = preg_replace('/<style.*?>.*?<\/style>/is', '', $wr_content);

$wr_content = preg_replace('/[a-zA-Z0-9가-힣]/u', '', $wr_content);