正则校验

年月日

var checkDate = function  (val) {
        var  pattern = /^(18|19|20)\d{2}((0[1-9])|(1[0-2]))(([0-2][1-9])|10|20|30|31)$/;
        if (pattern.test(val)) {
                var year = val.substring(0, 4);
                var month = val.substring(4, 6);
                var date = val.substring(6, 8);
                var date2 = new Date(year + '-' + month + '-' +date);
                if(date2 && date2.getMonth() == (parseInt(month)-1) ) {
                       return  true;
                }
        }
        return false;
}

身份证

var checkCode = function  (val) {
        var  p = /^[1-9]\d{5}(18|19|20)\d{2}((0[1-9])|(1[0-2]))(([0-2][1-9])|10|20|30|31)\d{3}[0-9Xx]$/;
        var  factor = [ 7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2];
        var  parity = [ 1, 0, 'X', 9, 8, 7, 6, 5, 4, 3, 2];
        var  code = val.substring(17);
        if (p.test(val)) {
                var sum = 0;
                for(var i=0;i<17;i++) {
                        sum += val[i]*factor[i];
                }
                if(parity[sum % 11] == code.toUpperCase()) {
                       return  true;
                }
        }
        return false;
}

银行卡

var verifyBankID = function  (str) {
        var strArr = str.split('').reverse(),
            oddArr = [],
            evenArr = [],
            oddRes = 0,
            evenRes = 0;

        $.each(strArr, function(i) {
            if ((i + 1) % 2 == 0) {
              evenArr.push(strArr[i] * 2)
            } else {
              oddArr.push(strArr[i] * 1);
            }
        });

        $.each(oddArr.join('').split(''), function() {
            oddRes += this * 1;
        });
        $.each(evenArr.join('').split(''), function() {
            evenRes += this * 1;
        });
        if ((oddRes + evenRes) % 10 == 0) {
            return 1;
        } else {
            return 0;
        }
    }

电话正则

phone = /^1(3[0-9]|4[57]|5[0-35-9]|7[0135678]|8[0-9])\d{8}$/;

邮箱正则

email = /[\w!#$%&'*+/=?^_`{|}~-]+(?:\.[\w!#$%&'*+/=?^_`{|}~-]+)*@(?:[\w](?:[\w-]*[\w])?\.)+[a-zA-Z]{2,3}$/；