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jquery.validate.js使用之自定义表单验证规则，下面列出了一些常用的验证法规则

jquery.validate.js演示查看 <a href="http://www.51xuediannao.com/js/jquery/jquery_validate/" target="_blank">jquery validate强大的jquery表单验证插件</a> http://www.51xuediannao.com/js/jquery/jquery_validate/

如：input type="email" value="" name="title" class="fn-tinput" required data-rule-email="true" data-msg-required="请输入email地址" data-msg-email="请输入正确的email地址"

required //必填

data-rule-email="true" //正则为 email

data-msg-required="请输入您的电子邮箱" //为空时的提示信息

data-msg-email="邮箱格式不正确" //不符合正则的提示

placeholder="电子邮件" //input中没有填写的提示

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//扩展验证规则

//邮箱 表单验证规则
jQuery.validator.addMethod("mail", function (value, element) {
    var mail = /^[a-z0-9._%-]+@([a-z0-9-]+\.)+[a-z]{2,4}$/;
    return this.optional(element) || (mail.test(value));
}, "邮箱格式不对");

//电话验证规则
jQuery.validator.addMethod("phone", function (value, element) {
    var phone = /^0\d{2,3}-\d{7,8}$/;
    return this.optional(element) || (phone.test(value));
}, "电话格式如：0371-68787027");

//区号验证规则  
jQuery.validator.addMethod("ac", function (value, element) {
    var ac = /^0\d{2,3}$/;
    return this.optional(element) || (ac.test(value));
}, "区号如：010或0371");

//无区号电话验证规则  
jQuery.validator.addMethod("noactel", function (value, element) {
    var noactel = /^\d{7,8}$/;
    return this.optional(element) || (noactel.test(value));
}, "电话格式如：68787027");

//手机验证规则  
jQuery.validator.addMethod("mobile", function (value, element) {
    var mobile = /^1[3|4|5|7|8]\d{9}$/;
    return this.optional(element) || (mobile.test(value));
}, "手机格式不对");

//邮箱或手机验证规则  
jQuery.validator.addMethod("mm", function (value, element) {
    var mm = /^[a-z0-9._%-]+@([a-z0-9-]+\.)+[a-z]{2,4}$|^1[3|4|5|7|8]\d{9}$/;
    return this.optional(element) || (mm.test(value));
}, "格式不对");

//电话或手机验证规则  
jQuery.validator.addMethod("tm", function (value, element) {
    var tm=/(^1[3|4|5|7|8]\d{9}$)|(^\d{3,4}-\d{7,8}$)|(^\d{7,8}$)|(^\d{3,4}-\d{7,8}-\d{1,4}$)|(^\d{7,8}-\d{1,4}$)/;
    return this.optional(element) || (tm.test(value));
}, "格式不对");

//年龄 表单验证规则
jQuery.validator.addMethod("age", function(value, element) {   
    var age = /^(?:[1-9][0-9]?|1[01][0-9]|120)$/;
    return this.optional(element) || (age.test(value));
}, "不能超过120岁");
///// 20-60   /^([2-5]\d)|60$/

//传真
jQuery.validator.addMethod("fax",function(value,element){
    var fax = /^(\d{3,4})?[-]?\d{7,8}$/;
    return this.optional(element) || (fax.test(value));
},"传真格式如：0371-68787027");

//验证当前值和目标val的值相等 相等返回为 false
jQuery.validator.addMethod("equalTo2",function(value, element){
    var returnVal = true;
    var id = $(element).attr("data-rule-equalto2");
    var targetVal = $(id).val();
    if(value === targetVal){
        returnVal = false;
    }
    return returnVal;
},"不能和原始密码相同");

//大于指定数
jQuery.validator.addMethod("gt",function(value, element){
    var returnVal = false;
    var gt = $(element).data("gt");
    if(value > gt && value != ""){
        returnVal = true;
    }
    return returnVal;
},"不能小于0 或空");

//汉字
jQuery.validator.addMethod("chinese", function (value, element) {
    var chinese = /^[\u4E00-\u9FFF]+$/;
    return this.optional(element) || (chinese.test(value));
}, "格式不对");

//指定数字的整数倍
jQuery.validator.addMethod("times", function (value, element) {
    var returnVal = true;
    var base=$(element).attr('data-rule-times');
    if(value%base!=0){
        returnVal=false;
    }
    return returnVal;
}, "必须是发布赏金的整数倍");

//身份证
jQuery.validator.addMethod("idCard", function (value, element) {
    var isIDCard1=/^[1-9]\d{7}((0\d)|(1[0-2]))(([0|1|2]\d)|3[0-1])\d{3}$/;//(15位)
    var isIDCard2=/^[1-9]\d{5}[1-9]\d{3}((0\d)|(1[0-2]))(([0|1|2]\d)|3[0-1])\d{3}([0-9]|X)$/;//(18位)

return this.optional(element) || (isIDCard1.test(value)) || (isIDCard2.test(value));
}, "格式不对");

// 字符验证       
jQuery.validator.addMethod("stringCheck", function(value, element) {       
    return this.optional(element) || /^[\u0391-\uFFE5\w]+$/.test(value);       
 }, "只能包括中文字、英文字母、数字和下划线");   
------------------------------------------------------------
 // 中文字两个字节       
jQuery.validator.addMethod("byteRangeLength", function(value, element, param) {       
   var length = value.length;       
   for(var i = 0; i <</span> value.length; i++){       
        if(value.charCodeAt(i) > 127){       
         length++;       
         }       
   }       
    return this.optional(element) || ( length >= param[0] && length <= param[1] );       
 }, "请确保输入的值在3-15个字节之间(一个中文字算2个字节)");   
------------------------------------------------------------
// 身份证号码验证       
jQuery.validator.addMethod("isIdCardNo", function(value, element) {       
     return this.optional(element) || isIdCardNo(value);       
}, "请正确输入您的身份证号码");
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// 手机号码验证       
jQuery.validator.addMethod("isMobile", function(value, element) {       
     var length = value.length;   
      var mobile =/^[1][3-8]+\\d{9}/;   
   return this.optional(element) || (length == 11 && mobile.test(value));       
}, "请正确填写您的手机号码");       
------------------------------------------------------------
 // 电话号码验证       
jQuery.validator.addMethod("isTel", function(value, element) {       
     var tel = /^\d{3,4}-?\d{7,9}$/;    //电话号码格式010-12345678   
    return this.optional(element) || (tel.test(value));       
}, "请正确填写您的电话号码");   
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// 联系电话(手机/电话皆可)验证   
jQuery.validator.addMethod("isPhone", function(value,element) {   
    var length = value.length;   
    var mobile = /^(((13[0-9]{1})|(15[0-9]{1}))+\d{8})$/;   
     var tel = /^\d{3,4}-?\d{7,9}$/;   
    return this.optional(element) || (tel.test(value) || mobile.test(value));   
 
}, "请正确填写您的联系电话");   
------------------------------------------------------------  
 // 邮政编码验证       
 jQuery.validator.addMethod("isZipCode", function(value, element) {

var tel = /^[0-9]{6}$/;       
    return this.optional(element) || (tel.test(value));       
 }, "请正确填写您的邮政编码");

jquery.validate.js表单验证规则，<a href="http://www.51xuediannao.com/" target="_blank">懒人建站</a>整理，不断更新中...
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