about.php?id=222 用正则怎么替换成 about_222.html 先谢谢了。
------解决方案--------------------
随便写了个,凑合吧.
- PHP code
$str='about.php?id=222';
//about_222.html
$str=preg_replace('/([a-z\d\_]+)\..*id=([\d]+)$/',"$1_$2.html",$str);
echo $str;
$str='about.php?id=222';
//about_222.html
$str=preg_replace('/([a-z\d\_]+)\..*id=([\d]+)$/',"$1_$2.html",$str);
echo $str;