<html>
<head>
<title>验证函数</title>
</head>
<body>
<script >
function regex()
{
var regex=/([^,]*,[^,]*){5}/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>
<head>
<title>验证函数</title>
</head>
<body>
<script >
function regex()
{
var regex=/([^,]*,[^,]*){5}/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>
<script language=javascript>
function check(obj)
{
var temp=obj.value.split(",")
if(temp.length<6)
{
alert("输入错误")
obj.value=''
}
}
</script>
<script language=javascript>
function check(obj)
{
var temp=obj.value.match(/,/g);
if(temp.length<5)
{
alert("输入错误")
obj.value=''
}
}
</script>
1.没加开始/结尾符
2.没事乱拥g
3.不够简炼不过效率比其他人的高不少
其实直接这样就可以了if((/^(?:[^,]*,){5}[^,]*$/.test("文本框的内容"))
{
//合法
}
else
{
//非法
}