frame 제거 $STRING=preg_replace(\"!<iframe(.*?)<\\/iframe>!is\",\"\",$STRING); script 제거 $STRING=preg_replace(\"!<script(.*?)<\\/script>!is\",\"\",$STRING); meta 제거 $STRING=preg_replace(\"!<meta(.*?)>!is\",\"\",$STRING); style 태그 제거 $STRING=preg_replace(\"!<style(.*?)<\\/style>!is\",\"\",$STRING); &nbsp;를 공백으로 변환 $STRING=str_replace(\"&nbsp;\",\" \",$STRING); 연속된 공백 1개로 $STRING=preg_replace(\"/\\s{2,}/\",\" \",$STRING); 태그안에 style= 속성 제거 $STRING=preg_replace(\"/ style=([^\\\"\\\']+) /\",\" \",$STRING); // style=border:0... 따옴표가 없을때 $STRING=preg_replace(\"/ style=(\\\"|\\\')?([^\\\"\\\']+)(\\\"|\\\')?/\",\"\",$STRING); // style=\"border:0...\" 따옴표 있을때 태그안의 width=, height= 속성 제거 $STRING=preg_replace(\"/ width=(\\\"|\\\')?\\d+(\\\"|\\\')?/\",\"\",$STRING); $STRING=preg_replace(\"/ height=(\\\"|\\\')?\\d+(\\\"|\\\')?/\",\"\",$STRING); img 태그 추출 src 추출 preg_match(\"/<img[^>]*src=[\\\"\']?([^>\\\"\']+)[\\\"\']?[^>]*>/i\",$STRING,$RESULT); preg_match_all(\"/<img[^>]*src=[\\\"\']?([^>\\\"\']+)[\\\"\']?[^>]*>/i\",$STRING,$RESULT); 호스트 추출 <? 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>\"; ?>   메뉴얼 http://kr2.php.net/manual/kr/function.preg-replace.php http://kr2.php.net/manual/kr/function.preg-match.php http://kr2.php.net/manual/kr/function.str-replace.php