JS代码:身份证号EMAIL检验

结果:
这里写图片描述

<%@page import="com.sun.xml.internal.txw2.Document"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8" import="java.util.*"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>身份证号EMAIl检验</title>
<script type="text/javascript">
 function  check1(m)
{

    if(m.port.value=="")
    {
        alert("请输入身份证号");
        m.port.focus();
        return;
    }
     if(!checkno1(m.port.value))
        {
         alert("请输入规范的身份证号");
            m.port.focus();
        }
     else
        {
         alert("您输入的身份证号是正确的");
            m.port.focus();
        }
}

function checkno1(card) 
{   
var pattern = /(^\d{15}$)|(^\d{18}$)|(^\d{17}(\d|X|x)$)/;   
return pattern.test(card); 
}  
function  check2(n)
{
     if(n.email.value=="")
    {
         alert("请输入Email");
        n.email.focus();
        return;
    }
     if(!checkno2(n.email.value))
        {
         alert("请输入规范的Email");
         n.email.focus();
        }
     else
        {
         alert("您输入的Email是正确的");
         n.email.focus();
        }

}

function checkno2(card1) 
{   
var pattern =/^[A-Za-z\d]+([-_.][A-Za-z\d]+)*@([A-Za-z\d]+[-.])+[A-Za-z\d]{2,4}$/; 
return pattern.test(card1); 
} 

</script>
</head>
<body>

<div>
<form action="#" name="f1">
请输入身份证号:<input type="text" name="port">
<input type="button" value="检验身份证号" onclick="check1(f1)">
</form>
<form action="#" name="f2">
请输入Email:<input type="text" name="email">
<input type="button" value="检验Email" onclick="check2(f2)">
</form>
</div>
</body>
</html>

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转载自blog.csdn.net/qq_37486501/article/details/80834931
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