<?php
$str = 'E:/workarea/web_root/sms_alert_100/document/email/11001002/Maildir/new/1NBNC6~W';
if (preg_match("/email\/(.*)\/Maildir/",$str,$match))
{
echo $match[1];
}
?>

解决方案 »

  1.   

    再問
    E:/workarea/web_root/sms_alert_100/document/email/15001002/Maildir/new/1NBNC6~W
    E:/workarea/web_root/sms_alert_100/document/email/35001002/Maildir/new/1NBNC6~W
    E:/workarea/web_root/sms_alert_100/document/email/85001002/Maildir/new/1NBNC6~W
    若有這三種,但我只想要以15開頭的,又怎樣呢?
      

  2.   

    這樣。。謝謝了!if (preg_match("/email\/(15)(.*)\/Maildir/",$str,$match))
    {
    echo $match[1];
    }