密码强度检测函数（正则）

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                      <td align="right"><div align="left"> <span class="font14"><a href="http://www.beingmate.com/user_login/" _ewebeditor_ta_href="http%3A%2F%2Fwww.beingmate.com%2Fuser_login%2F" target="_blank"><font color="#FF3300">贝因美冠军宝贝大赛专用信息平台入口</font></a></span>  
                          <p align="center"><font color=#ff0000>用户名或密码错误，请重新输入。</font></p> 
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            <td width="36%" align="right"><font class="red" id="A">密码强度检测</font> </td> 
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