求一取SQL语句SELECT … FROM中字段名列表的正则解决思路

求一取SQL语句SELECT …… FROM中字段名列表的正则
如题

------解决方案--------------------

PHP code

<?php $str="select ziduan1,ziduan2,ziduan3 from";
preg_match("/select\s+(.*)\s*from/",$str,$matchs);
$arr = explode(",",trim($matchs[1]));
print_r($arr);//Array ( [0] => ziduan1 [1] => ziduan2 [2] => ziduan3 ) 
?> <div class="clear">
                 
              
              
        
            </div>