求一个密码验证的正则表达式或者js验证，类似京东注册

Question

密码验证 正则表达式

Answer 1

$.extend(
    validateFunction, {
        regValidate: function () {
            if ($("#mobileCodeDiv").attr("class") == 'item') {
                $("#regName").jdValidate(validatePrompt.regName, validateFunction.regName, true);
                $("#pwd").jdValidate(validatePrompt.pwd, validateFunction.pwd, true);
                $("#pwdRepeat").jdValidate(validatePrompt.pwdRepeat, validateFunction.pwdRepeat, true);
                $("#mobileCode").jdValidate(validatePrompt.mobileCode, validateFunction.mobileCode, true);
                return validateFunction.FORM_submit(["#regName", "#pwd", "#pwdRepeat", "#mobileCode"]);
            } else {
                $("#regName").jdValidate(validatePrompt.regName, validateFunction.regName, true);
                $("#pwd").jdValidate(validatePrompt.pwd, validateFunction.pwd, true);
                $("#pwdRepeat").jdValidate(validatePrompt.pwdRepeat, validateFunction.pwdRepeat, true);
                return validateFunction.FORM_submit(["#regName", "#pwd", "#pwdRepeat"]);
            }
        }
    });
var isSubmit = false;
$("#pwd").bind("keyup",function () {
    validateFunction.pwdstrength();
}).jdValidate(validatePrompt.pwd, validateFunction.pwd)
$("#pwdRepeat").jdValidate(validatePrompt.pwdRepeat, validateFunction.pwdRepeat);
$("#regName").jdValidate(validatePrompt.regName, validateFunction.regName);
$("#mobileCode").jdValidate(validatePrompt.mobileCode, validateFunction.mobileCode);function checkReadMe() {
    if ($("#readme").attr("checked") == true) {
        $("#protocol_error").removeClass().addClass("error hide");
        return true;
    } else {
        $("#protocol_error").removeClass().addClass("error");
        return false;
    }
}function agreeonProtocol() {
    if ($("#readme").attr("checked") == true) {
        $("#protocol_error").removeClass().addClass("error hide");
        return true;
    }
}function protocolReg() {
    $("#closeBox").click();
    reg();
}function reg() {
    if (isSubmit) {
        return;
    }
    var agreeProtocol = checkReadMe();
    var regNameok = validateRegName();
    isSubmit = true;    var passed = validateFunction.regValidate() && regNameok && agreeProtocol;
    //pageTracker._trackEvent('Button', 'Regist', 'Normal');
    if (passed) {
        $("#registsubmit").attr({ "disabled": "disabled" }).removeClass().addClass("btn-img btn-regist wait-btn");
        $.ajax({
            type: "POST",
            url: "../reg/regService?r=" + Math.random() + "&" + location.search.substring(1),
            contentType: "application/x-www-form-urlencoded; charset=utf-8",
            data: $("#personRegForm").serialize(),
            success: function (result) {
                if (result) {
                    var obj = eval(result);
                    if (obj.info) {
                        alert(obj.info);
                        verc();
                        $("#registsubmit").removeAttr("disabled").removeClass().addClass("btn-img btn-regist");
                        isSubmit = false;
                        return;
                    }
                    if (obj.noAuth) {
                        verc();
                        window.location = obj.noAuth;
                        return;
                    }
                    if (obj.success == true) {
                        window.location = obj.dispatchUrl;
                    }
                }
            }
        });
    } else {
        $("#registsubmit").removeAttr("disabled").removeClass().addClass("btn-img btn-regist");
        isSubmit = false;
    }
}function popupReg() {
    var agreeProtocol = checkReadMe();
    var passed = validateRegName() && validateFunction.regValidate() && agreeProtocol;
    if (passed) {
        $("#popupRegButton").attr({ "disabled": "disabled" }).removeClass().addClass("btn-img btn-regist wait-btn");
        $.ajax({
            type: "POST",
            url: "../reg/regService?r=" + Math.random(),
            contentType: "application/x-www-form-urlencoded; charset=utf-8",
            data: $("#popupPersonRegForm").serialize(),
            success: function (result) {
                if (result) {
                    var obj = eval(result);
                    if (obj.info) {
                        alert(obj.info);
                        verc();
                        $("#popupRegButton").removeAttr("disabled").removeClass().addClass("btn-img btn-regist");
                        return;
                    }
                    if (obj.noAuth) {
                        verc();
                        window.parent.location = obj.noAuth;
                        return;
                    }
                    if (obj.success == true) {
                        window.parent.jdModelCallCenter.init(true);
                        return;
                    }
                }
            }
        });
    } else {
        $("#popupRegButton").removeAttr("disabled").removeClass().addClass("btn-img btn-regist");
    }
}function popupContinueReg() {
    $("#protocolContent").removeClass().addClass("regist-bor hide");
    $("#popupPersonRegForm").show();    popupReg();
}function showProtocol() {
    $("#popupPersonRegForm").hide();
    $("#protocolContent").removeClass().addClass("regist-bor");}
//$("#authcode").bind('keyup', function (event) {
//    if (event.keyCode == 13) {
//        $("#registsubmit").click();
//    }
//});

Answer 2

//验证文本
var validatePrompt = {
    regName: {
        onFocus: "请输入邮箱/用户名/手机号",
        succeed: "",
        isNull: "请输入邮箱/用户名/手机号",
        error: {
            beUsed: "该用户名已被使用，请重新输入或使用推荐用户名。如果您是&quot;{1}&quot;，请立刻<a href='https://passport.jd.com/uc/login' class='flk13'>登录</a>",
            badLength: "用户名长度只能在4-20位字符之间",
            badFormat: "用户名只能由中文、英文、数字及“_”、“-”组成",
            fullNumberName: "<span>用户名不能是纯数字，请确认输入的是手机号或者重新输入</span>"
        },
        onFocusExpand: function () {
            $("#morePinDiv").removeClass().addClass("intelligent-error hide");
        }
    },    pwd: {
        onFocus: "<span>6-20位字符，可使用字母、数字或符号的组合，不建议使用纯数字，纯字母，纯符号</span>",
        succeed: "",
        isNull: "请输入密码",
        error: {
            badLength: "密码长度只能在6-20位字符之间",
            badFormat: "密码只能由英文、数字及标点符号组成",
            simplePwd: "<span>该密码比较简单，有被盗风险，建议您更改为复杂密码，如字母+数字的组合</span>",
            weakPwd: "<span>该密码比较简单，有被盗风险，建议您更改为复杂密码</span>"
        },
        onFocusExpand: function () {
            $("#pwdstrength").hide();
        }
    },
    pwdRepeat: {
        onFocus: "请再次输入密码",
        succeed: "",
        isNull: "请输入密码",
        error: {
            badLength: "密码长度只能在6-20位字符之间",
            badFormat2: "两次输入密码不一致",
            badFormat1: "密码只能由英文、数字及标点符号组成"
        }
    },
    mobileCode: {
        onFocus: "",
        succeed: "",
        isNull: "请输入短信验证码",
        error: "验证码错误"
    },
    protocol: {
        onFocus: "",
        succeed: "",
        isNull: "请先阅读并同意《京东用户注册协议》",
        error: ""
    },
    empty: {
        onFocus: "",
        succeed: "",
        isNull: "",
        error: ""
    }
};

Answer 3

//回调函数
var validateFunction = {
    regName: function (option) {
        $("#intelligent-regName").empty().hide();
        var regName = option.value;
        if (validateRules.isNull(regName) || regName == '邮箱/用户名/手机号') {
            option.element.removeClass(validateSettings.INPUT_style2).removeClass(validateSettings.INPUT_style1);
            $("#regName_error").removeClass().empty();
            return;
        }        if (regName.indexOf("@") > -1) {
            $("#mobileCodeDiv").removeClass().addClass("item hide");
            $("#authcodeDiv").show();
            checkEmail(option);
            return;
        }
        if (validateRules.isMobile(regName)) {
            checkMobile(option);
            return;
        }
        $("#mobileCodeDiv").removeClass().addClass("item hide");
        $("#authcodeDiv").show();
        checkPin(option);
    },    pwd: function (option) {
        var str1 = option.value;
        var regName = $("#regName").val();
        if ((validateRules.isNull(regName) == false) && (regName != '邮箱/用户名/手机号') && regName == str1) {
            $("#pwdstrength").hide();
            validateSettings.error.run(option, "<span>您的密码与账户信息太重合，有被盗风险，请换一个密码</span>");
            return;
        }        var str2 = $("#pwdRepeat").val();
        var format = validateRules.isPwd(option.value);
        var length = validateRules.betweenLength(option.value, 6, 20);        $("#pwdstrength").hide();
        if (!length && format) {
            validateSettings.error.run(option, option.prompts.error.badLength);
        } else if (!length && !format) {
            validateSettings.error.run(option, option.prompts.error.badFormat);
        } else if (length && !format) {
            validateSettings.error.run(option, option.prompts.error.badFormat);
        } else if (validateRules.weakPwd(str1)) {
            validateSettings.error.run(option, option.prompts.error.weakPwd);
        } else {            validateSettings.succeed.run(option);
            validateFunction.pwdstrength();
            if (validateRules.simplePwd(str1)) {
                $("#pwd_error").removeClass().addClass("focus");
                $("#pwd_error").empty().html(option.prompts.error.simplePwd);
                return;
            }
        }
        if (str2 == str1) {
            $("#pwdRepeat").focus();
        }
    },
    pwdRepeat: function (option) {
        var str1 = option.value;
        var str2 = $("#pwd").val();
        var length = validateRules.betweenLength(option.value, 6, 20);
        var format2 = validateRules.isPwdRepeat(str1, str2);
        var format1 = validateRules.isPwd(str1);
        if (!length) {
            validateSettings.error.run(option, option.prompts.error.badLength);
        } else {
            if (!format1) {
                validateSettings.error.run(option, option.prompts.error.badFormat1);
            } else {
                if (!format2) {
                    validateSettings.error.run(option, option.prompts.error.badFormat2);
                }
                else {
                    validateSettings.succeed.run(option);
                }
            }
        }
    },    mobileCode: function (option) {
        var bool = validateRules.isNull(option.value);
        if (bool) {
            validateSettings.error.run(option, option.prompts.error);
            return;
        } else {
            validateSettings.succeed.run(option);
        }
    },
    protocol: function (option) {
        if (option.element.attr("checked") == true) {
            option.element.attr("sta", validateSettings.succeed.state);
            option.errorEle.html("");
        } else {
            option.element.attr("sta", validateSettings.isNull.state);
            option.succeedEle.removeClass(validateSettings.succeed.style);
        }
    },
    pwdstrength: function () {
        var element = $("#pwdstrength");
        var value = $("#pwd").val();
        if (value.length >= 6 && validateRules.isPwd(value)) {
            $("#pwd_error").removeClass('focus');
            $("#pwd_error").empty();
            element.show();
            var level = pwdLevel(value);
            switch (level) {
                case 1:
                    element.removeClass().addClass("strengthA");
                    break;
                case 2:
                    element.removeClass().addClass("strengthB");
                    break;
                case 3:
                    element.removeClass().addClass("strengthC");
                    break;
                default:
                    break;
            }
        } else {
            element.hide();
        }
    },
    checkGroup: function (elements) {
        for (var i = 0; i < elements.length; i++) {
            if (elements[i].checked) {
                return true;
            }
        }
        return false;
    },
    checkSelectGroup: function (elements) {
        for (var i = 0; i < elements.length; i++) {
            if (elements[i].value == -1) {
                return false;
            }
        }
        return true;
    },    FORM_submit: function (elements) {
        var bool = true;
        for (var i = 0; i < elements.length; i++) {
            if ($(elements[i]).attr("sta") == 2) {
                bool = true;
            } else {
                bool = false;
                break;
            }
        }        return bool;
    }
};