swift 手机号、邮箱、网址等正则表达式验证

看到一个不错的swift的 手机号、邮箱、网址等正则表达式验证，分享给大家。

支持swift3，经过修改后，亲测可用！

import Foundation

enum Validate {
    case email(_: String)
    case phoneNum(_: String)
    case carNum(_: String)
    case username(_: String)
    case password(_: String)
    case nickname(_: String)

    case URL(_: String)
    case IP(_: String)

    var isRight: Bool {
        var predicateStr:String!
        var currObject:String!
        switch self {
        case let .email(str):
            predicateStr = "^([a-z0-9_\\.-]+)@([\\da-z\\.-]+)\\.([a-z\\.]{2,6})$"
            currObject = str
        case let .phoneNum(str):
            predicateStr = "^((13[0-9])|(15[^4,\\D]) |(17[0,0-9])|(18[0,0-9]))\\d{8}$"
            currObject = str
        case let .carNum(str):
            predicateStr = "^[A-Za-z]{1}[A-Za-z_0-9]{5}$"
            currObject = str
        case let .username(str):
            predicateStr = "^[A-Za-z0-9]{6,20}+$"
            currObject = str
        case let .password(str):
            predicateStr = "^[a-zA-Z0-9]{6,20}+$"
            currObject = str
        case let .nickname(str):
            predicateStr = "^[\\u4e00-\\u9fa5]{4,8}$"
            currObject = str
        case let .URL(str):
            predicateStr = "^(https?:\\/\\/)?([\\da-z\\.-]+)\\.([a-z\\.]{2,6})([\\/\\w \\.-]*)*\\/?$"
            currObject = str
        case let .IP(str):
            predicateStr = "^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$"
            currObject = str
        }

        let predicate =  NSPredicate(format: "SELF MATCHES %@" ,predicateStr)
        return predicate.evaluate(with: currObject)
    }
}

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使用：直接创建一个swift文件，把以上代码copy进去。使用方式如下：

Validate.email("blog@@csdn.com").isRight //false

Validate.URL("https://www.baidu.com").isRight //true

Validate.IP("114.114.114.114").isRight //true