分享一个jquery-javascript校验复杂强密码的校验正则 var pwpattent = /^(?![A-Za-z]+$)(?![A-Z\d]+$)(?![A-Z\W]+$)(?![a-z\d]+$)(?![a-z\W]+$)(?![\d\W]+$)\S{8,}$/;
另外附一个密码强度的表单验证工具源代码：
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>test</title>
<script src="jquery.min.js"></script>
<script src="jquery.validate.min.js"></script>
<script src="messages_zh.min.js"></script>
<style>
.tbl-txt{font-size:14px;}
.tbl-txt input{padding:0 5px; height:22px; line-height:22px; margin-bottom:6px;}
.pw-strength {clear: both;position: relative;top: 8px;width: 180px;}
.pw-bar{background: url(images/pwd-1.png) no-repeat; position:relative; top:1px;height: 14px;overflow: hidden;width: 179px;}
.pw-bar-on{background: url(images/pwd-2.png) no-repeat; width:0px; height:14px;position: absolute;top: 1px;left: 2px;transition: width .5s ease-in;-moz-transition: width .5s ease-in;-webkit-transition: width .5s ease-in;-o-transition: width .5s ease-in;}
.pw-weak .pw-defule{ width:0px;}
.pw-weak .pw-bar-on {width: 60px;}
.pw-medium .pw-bar-on {width: 120px;}
.pw-strong .pw-bar-on {width: 179px;}
.pw-txt {padding-top: 2px;width: 180px;overflow: hidden;}
.pw-txt span {color: #707070;float: left;font-size: 12px;text-align: center;width: 58px;}
</style>
<script>
$.validator.setDefaults({
submitHandler: function() {
alert("提交事件!");
}
});
$().ready(function() {
$('#password').keyup(function () {
var strongRegex = new RegExp("^(?=.{8,})(?=.*[A-Z])(?=.*[a-z])(?=.*[0-9])(?=.*\\W).*$", "g");
var mediumRegex = new RegExp("^(?=.{7,})(((?=.*[A-Z])(?=.*[a-z]))|((?=.*[A-Z])(?=.*[0-9]))|((?=.*[a-z])(?=.*[0-9]))).*$", "g");
var enoughRegex = new RegExp("(?=.{6,}).*", "g");
if (false == enoughRegex.test($(this).val())) {
$('#level').removeClass('pw-weak');
$('#level').removeClass('pw-medium');
$('#level').removeClass('pw-strong');
$('#level').addClass('pw-defule');
//密码小于六位的时候，密码强度图片都为灰色
}
else if (strongRegex.test($(this).val())) {
$('#level').removeClass('pw-weak');
$('#level').removeClass('pw-medium');
$('#level').removeClass('pw-strong');
$('#level').addClass('pw-strong');
//密码为八位及以上并且字母数字特殊字符三项都包括,强度最强
}
else if (mediumRegex.test($(this).val())) {
$('#level').removeClass('pw-weak');
$('#level').removeClass('pw-medium');
$('#level').removeClass('pw-strong');
$('#level').addClass('pw-medium');
//密码为七位及以上并且字母、数字、特殊字符三项中有两项，强度是中等
}
else {
$('#level').removeClass('pw-weak');
$('#level').removeClass('pw-medium');
$('#level').removeClass('pw-strong');
$('#level').addClass('pw-weak');
//如果密码为6为及以下，就算字母、数字、特殊字符三项都包括，强度也是弱的
}
return true;
});
// 自定义校验规则
$.validator.addMethod("passwordCheck",function(value, element){
var returnVal = false;
var chrnum = /^[0-9]*$/;
return this.optional(element) || (chrnum.test(value));
},"必须填入数字");
// 在键盘按下并释放及提交后验证提交表单
$("#signupForm").validate({
rules: {
username: {
required: true,
minlength: 2
},
password: {
required: true,
passwordCheck:true,
minlength: 5
},
confirm_password: {
required: true,
minlength: 5,
equalTo: "#password"
}
},
messages: {
username: {
required: "请输入用户名",
minlength: "用户名必需由两个字母组成"
},
password: {
required: "请输入密码",
minlength: "密码长度不能小于 5 个字母"
},
confirm_password: {
required: "请输入密码",
minlength: "密码长度不能小于 5 个字母",
equalTo: "两次密码输入不一致"
}
}
});
});
</script>
<style>
.error{
color:red;
}
</style>
</head>
<body>
<form class="cmxform" id="signupForm" method="get" action="">
<fieldset>
<legend>表单</legend>
<p>
<label for="username">用户名</label>
<input id="username" name="username" type="text">
</p>
<p>
<label for="password">密码</label>
<input id="password" name="password" type="password">
</p>
<p>
<div id="level" class="pw-strength">
<div class="pw-bar"></div>
<div class="pw-bar-on"></div>
<div class="pw-txt">
<span>弱</span>
<span>中</span>
<span>强</span>
</div>
</div>
</p>
<p>
<label for="confirm_password">验证密码</label>
<input id="confirm_password" name="confirm_password" type="password">
</p>
<p>
<input class="submit" type="submit" value="提交">
</p>
</fieldset>
</form>
</body>
</html>
