验证问题!
怎样验证输入的内容已5278开头并且位数为10位。
------解决方案-------------------- <script language=vbscript>  
 ... 
 aa=... 
 if len(trim(aa)) <> 10 then 
   msgbox  "有误 " 
 else 
 if left(aa,4) <>  "5278 " then 
  msgbox  "有误 " 
 end if  
 end if 
 ...   
  </script>
------解决方案--------------------/^5278(\d{6})$/.test( "5278666666 ")
------解决方案-------------------- <html>  
  <head>  
  <title> 数字验证 </title>  
  </head>  
  <body>  
  <script >  
 function regex() 
 { 
 var regex=/^5278\d{6}$/g; 
 var str = document.form1.name1.value; 
 var result = regex.test(str); 
 alert(result); 
 } 
  </script>  
  <form name=form1>  
  <input type=text name=name1 >  
  <input type=button onClick= "regex() " value= "test ">  
  </form>  
  </body>  
  </html>  
------解决方案--------------------/^5278(\d{6})/gi