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Detailed explanation of jQuery regular verification registration page
Detailed explanation of jQuery regular verification registration page
This article mainly introduces the jQuery regular verification registration page function, involving regular verification operation skills for user names, passwords, email addresses, mobile phone numbers, etc. Friends who need it can refer to it. I hope it can help everyone.
The example in this article describes the jQuery regular verification registration page function. Share it with everyone for your reference, the details are as follows:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>正则验证注册页面</title>
<style type="text/css">
.red{
color:#cc0000;
font-weight:bold;
}
</style>
<script type="text/javascript" src="js/jquery-1.8.3.js"></script>
<script language="JavaScript">
function $(elementId){
return document.getElementById(elementId).value;
}
function pId(elementId){
return document.getElementById(elementId);
}
// 用户名验证
function checkUser(){
var user = $("user");
var userId = pId("user_prompt");
userId.innerHTML="";
var reg=/^[a-zA-Z][a-zA-Z0-9]{3,15}$/;
if(reg.test(user)==false){
userId.innerHTML="用户名不正确";
return false;
}
return true;
}
// password check
function checkPwd(){
var pwd = $("pwd");
var pwdId = pId("pwd_prompt");
pwdId.innerHTML="";
var reg = /^[a-zA-Z0-9]{4,10}$/;
if(reg.test(pwd)==false){
pwdId.innerHTML = "密码不能含有非法字符，长度在4-10之间";
return false;
}
return true;
}
function checkRepwd(){
var repwd = $("repwd");
var pwd = $("pwd");
var repwdId = pId("repwd_prompt");
repwdId.innerHTML=""
if(pwd!=repwd){
repwdId.innerHTML="两次密码不一致";
return false;
}
return true;
}
// 邮箱验证
function checkEmail(){
var email = $("email");
var email_prompt = pId("email_prompt");
email_prompt.innerHTML="";
var reg = /^\w+@\w+(\.[a-zA-Z]{2,3}){1,2}$/;
if(reg.test(email)==false){
email_prompt.innerHTML="Email格式不对，请输入正确email";
return false;
}
return true;
}
// 手机号验证
function checkMobile() {
var mobile = $("mobile");
var mobileId = pId("mobile_prompt");
mobileId.innerHTML="";
var reMobile = /^1\d{10}$/;
if (reMobile.test(mobile)==false){
mobileId.innerHTML="手机号输入有误";
return false;
}
return true;
}
// 生日验证
function checkBirth(){
var birth = $("birth");
var birthId = pId("birth_prompt");
birthId.innerHTML="";
var reg = /^((19\d{2})|(200\d))-(0?[1-9]|1[0-2])-(0?[1-9]|[1-2]\d|3[0-1])$/;
if(reg.test(birth)==false){
birthId.innerHTML="生日格式不对";
return false;
}
return true;
}
</script>
</head>
<body>
<table class="main" border="0" callpadding="0" cellspacing="0">
<tr>
<td><img src="images/logo.jpg" alt="logo"><img src="images/banner.jpg" alt="banner"></td>
</tr>
<tr>
<td class="hr_1">新用户注册</td>
</tr>
<tr>
<td style="height: 10px;"></td>
</tr>
<form action="" method="post" name="myform">
<tr>
<td><table>
<tr>
<td class="left">用户名：</td>
<td class="center"><input type="text" id="user" class="in" onblur="checkUser()"></td>
<td><p id="user_prompt">用户名由英文字母和数字组成-4到16位字符，以字母开头</p></td>
</tr>
<tr>
<td class="left">密码：</td>
<td class="center"><input type="password" id="pwd" class="in" onblur="checkPwd()"></td>
<td><p id="pwd_prompt">密码由英文字母和数字组成的4-10位字符</p></td>
</tr>
<tr>
<td class="left">确认密码：</td>
<td class="center"><input type="password" id="repwd" class="in" onblur="checkRepwd()"></td>
<td><p id="repwd_prompt"></p></td>
</tr>
<tr>
<td class="left">电子邮箱：</td>
<td class="center"><input type="text" id="email" class="in" onblur="checkEmail()"></td>
<td><p id="email_prompt"></p></td>
</tr>
<tr>
<td class="left">手机号码：</td>
<td class="center"><input type="text" id="mobile" class="in" onblur="checkMobile()"></td>
<td><p id="mobile_prompt"></p></td>
</tr>
<tr>
<td class="left">生日：</td>
<td class="center"><input type="text " id="birth" class="in" onblur="checkBirth()"></td>
<td><p id="birth_prompt"></p></td>
</tr>
<tr>
<td class="left"> </td>
<td class="center"><input name="" type="image" src="images/register.jpg" /></td>
<td> </td>
</tr>
</table>
</td>
</tr>
</form>
</table>
</body>
</html>Related recommendations:
javascript common functions and regular verification expression codes Summary
php uses regular expressions to verify email addresses
HTML example shows using regular expressions to verify the form
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