正则表达式匹配求助

s-jackie

$var = "[upload=2034][upload=2035][upload=2036][upload=2047]";
用ereg函数怎么匹配能把里面的四个数字匹配出来保存.
小弟刚学PHP不久,对正则表达式不太熟,望高手指点,多谢!

carset

\[upload=(\d{4})\]

ilcj

1. 
   
2. <?php
   
3. $var = "[upload=2034][upload=2035][upload=2036][upload=2047]";
   
4. $var = str_replace(array('[upload=',']'),array(),$var);
   
5. echo $var;
   
6. ?>
   

复制代码

jlspzxs

preg_match_all('/\[upload=(\d*)\]/isU',$var,$match);
print_r($match[1]);

s-jackie

谢谢各位解答！