Joi Regex不被认为是Regex模式。

Question

我试图为密码字段制定一个验证规则，它应该由以下内容组成：

• 一定有个号码
• 必须至少包含一个大写。
• 必须至少包含一个小写。
• 必须包含下列任何符号@$！
• 应该只有8到20个字符。

下面是我使用的regex模式：(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[$@$!#.])[A-Za-z\d$@$!%*?&.]{8,20}

在https://regexr.com/上测试

以下是Joi验证：

password: Joi.string()
.regex(
  '/(?=.*[a-z])(?=.*[A-Z])(?=.*d)(?=.*[$@$!#.])[A-Za-zd$@$!%*?&.]{8,20}/'
)
.required()
.min(8)
.max(20)

错误堆栈跟踪：

{ AssertionError [ERR_ASSERTION]: pattern must be a RegExp
    at internals.String.regex (E:\nodeprojects\voting-system\voting-server\node_modules\joi\lib\types\string\index.js:120:14)
    at Object.<anonymous> (E:\nodeprojects\voting-system\voting-server\src\routes\user.js:16:6)
    at Module._compile (module.js:649:30)
    at Object.Module._extensions..js (module.js:660:10)
    at Module.load (module.js:561:32)
    at tryModuleLoad (module.js:501:12)
    at Function.Module._load (module.js:493:3)
    at Module.require (module.js:593:17)
    at require (internal/module.js:11:18)
    at files.map (E:\nodeprojects\voting-system\voting-server\node_modules\hapi-auto-route\lib\auto-route.js:21:27)
    at Array.map (<anonymous>)
    at Object.module.exports.getRoutes (E:\nodeprojects\voting-system\voting-server\node_modules\hapi-auto-route\lib\auto-route.js:19:18)
    at Object.register (E:\nodeprojects\voting-system\voting-server\node_modules\hapi-auto-route\index.js:16:32)
    at <anonymous>
  generatedMessage: false,
  name: 'AssertionError [ERR_ASSERTION]',
  code: 'ERR_ASSERTION',
  actual: false,
  expected: true,
  operator: '==' }

Answer 1

我知道已经过去两年了，但我认为迟到总比不来好。

您只需将模式放入RegExp()中即可。

这就是我如何编辑您的代码:)

const pattern = "/(?=.*[a-z])(?=.*[A-Z])(?=.*d)(?=.*[$@$!#.])[A-Za-zd$@$!%*?&.]{8,20}/";

password: Joi.string()
.regex(RegExp(pattern)) // you have to put it in this way and it will work :)
.required()
.min(8)
.max(20)

我希望它能帮到你！

Answer 2

正则表达式不需要字符串中的任何单引号(开始/结束)

下面是一个运行良好的例子。

const joi = require("joi");

const strongPasswordRegex = /^(?=.*?[A-Z])(?=.*?[a-z])(?=.*?[0-9])(?=.*?[#?!@$%^&*-]).{8,}$/;
const stringPassswordError = new Error("Password must be strong. At least one upper case alphabet. At least one lower case alphabet. At least one digit. At least one special character. Minimum eight in length")

const schema = joi.object().keys({
    username: joi.string().required().min(4).max(15),
    password: joi.string().regex(strongPasswordRegex).error(stringPassswordError).required()
});

const notValid = schema.validate({ username: "MHamzaRajput", password: "Admin@admin123" }).error;

if (notValid) {
    console.log(notValid.message);
} else {
    console.log("payload validated successfully");
}