PHP正则提取图片img标记中的任意属性*/
$str = '//1、取整个图片代码
preg_match('/<\s*img\s+[^>]*?src\s*=\s*(\'|\")(.*?)\\1[^>]*?\/?\s*>/i',$str,$match);echo $match[0];
//2、取width
preg_match('/echo $match[1];
//3、取height
preg_match('/echo $match[1];
//4、取src
preg_match('/echo $match[1];
PHP正则替换图片img标记中的任意属性*/
//1、将src="/uploads/images/20100516000.jpg"替换为src="/uploads/uc/images/20100516000.jpg")print preg_replace('/(
echo "
";
//2、将src="/uploads/images/20100516000.jpg"替换为src="/uploads/uc/images/20100516000.jpg",并省去宽和高
print preg_replace('/(/i',"\${1} \${2}uc/images/\${3}>",$str);
?>