function checkInput(car_num)
{
//´´½¨ÕıÔò±í´ïʽ
var re=/^[\Ò»-\ı›]{1,}[a-zA-Z]{1}[a-zA-Z_0-9]{3,6}$/; //³µÅƺÅ
//var re=/^[\Ò»-\ı›]{1,10}$/; //Ö»ÊäÈ뺺×ÖµÄÕıÔò
if(car_num.search(re)==-1)
{
return false;
}
else
{
return tr;
}
}
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ʹÓÃJSÑéÖ¤³µÅƺÅÂë2009Äê09ÔÂ13ÈÕ ĞÇÆÚÈÕ 22:54<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>ÑéÖ¤³µÅƺÅÂë</title>
<style type="text/css">
<!--
.style1 {font-size: 13px}
.style2 {
font-size: 12px;
color: #FF0000;
}
-->
</style>
</head>
<script language="javascript">
function check(){
var value=form1.carnumber.value;
if(form1.carnumber.value==""){
alert("ÇëÊäÈë³µÅƺÅÂë!");form1.carnumber.focus();return;
}
if(form1.carnumber.value.length!=8||isNaN(value.substr(3,4))){
alert("ÄúÊäÈëµÄ³µÅƺÅÂë²»ÕıÈ·!");form1.carnumber.focus();return;
}
if(!checkNo(form1.carnumber.value)){
alert("ÄúÊäÈëµÄ³µÅƺÅÂë²»ÕıÈ·!");form1.carnumber.focus();return;
}
form1.submit();
}
</script>
<script language="javascript">
function checkNo(str){
var Expression=/^[\u4E00-\u9FA5]?[a-zA-Z]-\w{5}$/;
var objExp=new RegExp(Expression);
return objExp.test(str)
}
</script>
<body>
<table width="450" border="1" cellpadding="0" cellspacing="0" background="images/sd.JPG">
<form name="form1" method="post" action="">
<tr>
<td height="25" colspan="2" align="center" class="style1">ÑéÖ¤³µÅƺÅÂë</td>