php 正则表达式获取图片url方法汇总

2. header("Content-type:text/html;charset=utf-8");
3. $str = '

   

   ';
4. $pattern = "/[img|IMG].*?src=['|\"](.*?(?:[.gif|.jpg]))['|\"].*?[\/]?>/";
5. preg_match_all($pattern,$str,$match);
6. echo "
   ";
7. print_r($match);
8. ?>

复制代码

附，php过滤html标签、属性等正则表达式汇总。

2. function DeleteHtml($str)
3. {
4. $str = trim($str);
5. $str = strip_tags($str,"");
6. $str = ereg_replace("\t","",$str);
7. $str = ereg_replace("\r\n","",$str);
8. $str = ereg_replace("\r","",$str);
9. $str = ereg_replace("\n","",$str);
10. $str = ereg_replace(" "," ",$str);
11. return trim($str);
12. }

复制代码