PHP正则提取或更改图片img标记中的任意属性'; //1、取整个图片代码 preg_match('/<\s*img\s+[^>]*?src\s*=\s*(\'|\")(.*?)\\1[^>]*?\/?\s*>/i',$str,$match); echo $match[0]; //2、取width preg_match('/
/i',$str,$match); echo $match[1]; //3、取height preg_match('/
/i',$str,$match); echo $match[1]; //4、取src preg_match('/
/i',$str,$match); echo $match[1]; (PS:T不错的php Q扣峮:276167802,验证:csl) /*PHP正则替换图片img标记中的任意属性*/ //1、将src="/uploads/images/20100516000.jpg"替换为src="/uploads/uc/images/20100516000.jpg") print preg_replace('/(
)/i',"\${1}uc/images/\${3}",$str); 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); ?>