$STRING=preg_replace(\"!<iframe(.*?)<\\/iframe>!is\",\"\",$STRING);

$STRING=preg_replace(\"!<script(.*?)<\\/script>!is\",\"\",$STRING);

$STRING=preg_replace(\"!<meta(.*?)>!is\",\"\",$STRING);

$STRING=preg_replace(\"!<style(.*?)<\\/style>!is\",\"\",$STRING);

$STRING=str_replace(\"&nbsp;\",\" \",$STRING);

$STRING=preg_replace(\"/\\s{2,}/\",\" \",$STRING);

$STRING=preg_replace(\"/ style=([^\\\"\\\']+) /\",\" \",$STRING); // style=border:0... 따옴표가 없을때
$STRING=preg_replace(\"/ style=(\\\"|\\\')?([^\\\"\\\']+)(\\\"|\\\')?/\",\"\",$STRING); // style=\"border:0...\" 따옴표 있을때

$STRING=preg_replace(\"/ width=(\\\"|\\\')?\\d+(\\\"|\\\')?/\",\"\",$STRING);
$STRING=preg_replace(\"/ height=(\\\"|\\\')?\\d+(\\\"|\\\')?/\",\"\",$STRING);

preg_match(\"/<img[^>]*src=[\\\"\']?([^>\\\"\']+)[\\\"\']?[^>]*>/i\",$STRING,$RESULT);
preg_match_all(\"/<img[^>]*src=[\\\"\']?([^>\\\"\']+)[\\\"\']?[^>]*>/i\",$STRING,$RESULT);

<?
preg_match(\"/^(http:\\/\\/)?([^\\/]+)/i\",\"http://www.kaudo.com/index.html\",$matches);
$host = $matches[2];
echo$matches[0].\"<br>\";
echo$matches[1].\"<br>\";
echo$matches[2].\"<br>\";
?>