js RegExp bug All In One

js RegExp bug All In One

translated bug

// OK && tranlate `/`
let new_obj_reg = new RegExp(`^(([^<>()\\[\\]\\.,;:\\s@\\"]+(\\.[^<>()\\[\\]\\.,;:\\s@\\"]+)*)|(\\".+\\"))@(([^<>()[\\]\\.,;:\\s@\\"]+\\.)+[^<>()[\\]\\.,;:\\s@\\"]{2,})$`);
// /^(([^<>()\[\]\.,;:\s@\"]+(\.[^<>()\[\]\.,;:\s@\"]+)*)|(\".+\"))@(([^<>()[\]\.,;:\s@\"]+\.)+[^<>()[\]\.,;:\s@\"]{2,})$/

new_obj_reg.test(`admin@xgqfrms.xyz`);
// true

// Error && not tranlate `/`
let obj_reg = new RegExp(`^(([^<>()\[\]\.,;:\s@\"]+(\.[^<>()\[\]\.,;:\s@\"]+)*)|(\".+\"))@(([^<>()[\]\.,;:\s@\"]+\.)+[^<>()[\]\.,;:\s@\"]{2,})$`);
// /^(([^<>()[].,;:s@"]+(.[^<>()[].,;:s@"]+)*)|(".+"))@(([^<>()[].,;:s@"]+.)+[^<>()[].,;:s@"]{2,})$/

obj_reg.test(`admin@xgqfrms.xyz`);
// false


let reg = /^(([^<>()\[\]\.,;:\s@\"]+(\.[^<>()\[\]\.,;:\s@\"]+)*)|(\".+\"))@(([^<>()[\]\.,;:\s@\"]+\.)+[^<>()[\]\.,;:\s@\"]{2,})$/;
// /^(([^<>()\[\]\.,;:\s@\"]+(\.[^<>()\[\]\.,;:\s@\"]+)*)|(\".+\"))@(([^<>()[\]\.,;:\s@\"]+\.)+[^<>()[\]\.,;:\s@\"]{2,})$/

reg.test(`admin@xgqfrms.xyz`);
// true


// reg.test(`"admin@xgqfrms.xyz"`);
// false

console.log(`reg =\n`, reg);
console.log(`obj_reg =\n`, obj_reg);
console.log(`new_obj_reg =\n`, new_obj_reg);

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp

var regex1 = /\w+/;
let regex2 = new RegExp('\\w+');

console.log(regex1);
// expected output: /\w+/

console.log(regex2);
// expected output: /\w+/

console.log(regex1 === regex2);
// expected output: false

console.log({} === {});
// false

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转译

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp#Description

// 转译 `\` && OK
let new_obj_reg = new RegExp(`^(([^<>()\\[\\]\\.,;:\\s@\\"]+(\\.[^<>()\\[\\]\\.,;:\\s@\\"]+)*)|(\\".+\\"))@(([^<>()[\\]\\.,;:\\s@\\"]+\\.)+[^<>()[\\]\\.,;:\\s@\\"]{2,})$`);
// /^(([^<>()\[\]\.,;:\s@\"]+(\.[^<>()\[\]\.,;:\s@\"]+)*)|(\".+\"))@(([^<>()[\]\.,;:\s@\"]+\.)+[^<>()[\]\.,;:\s@\"]{2,})$/

new_obj_reg.test(`admin@xgqfrms.xyz`);
// true

// 未转译 `\` && Error
let obj_reg = new RegExp(`^(([^<>()\[\]\.,;:\s@\"]+(\.[^<>()\[\]\.,;:\s@\"]+)*)|(\".+\"))@(([^<>()[\]\.,;:\s@\"]+\.)+[^<>()[\]\.,;:\s@\"]{2,})$`);
// /^(([^<>()[].,;:s@"]+(.[^<>()[].,;:s@"]+)*)|(".+"))@(([^<>()[].,;:s@"]+.)+[^<>()[].,;:s@"]{2,})$/

obj_reg.test(`admin@xgqfrms.xyz`);
// false


let reg = /^(([^<>()\[\]\.,;:\s@\"]+(\.[^<>()\[\]\.,;:\s@\"]+)*)|(\".+\"))@(([^<>()[\]\.,;:\s@\"]+\.)+[^<>()[\]\.,;:\s@\"]{2,})$/;
// /^(([^<>()\[\]\.,;:\s@\"]+(\.[^<>()\[\]\.,;:\s@\"]+)*)|(\".+\"))@(([^<>()[\]\.,;:\s@\"]+\.)+[^<>()[\]\.,;:\s@\"]{2,})$/

reg.test(`admin@xgqfrms.xyz`);
// true


// reg.test(`"admin@xgqfrms.xyz"`);
// false

flags

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions#Advanced_searching_with_flags_2

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/flags

vue & form validation

password & re-sure password

// rules

{

    passWord: [
        {
            required: true,
            message: "请输入密码",
            trigger: "change",
        },
        {
            min: 3,
            max: 20,
            message: "长度在 3 到 20 个字符",
            trigger: "blur",
        }
    ],
    passWordSure: [
        {
            required: true,
            message: "请输入密码",
            trigger: "change",
        },
        {
            min: 3,
            max: 20,
            pattern: `^${this.$data.form.passWord}$`,
            // pattern: `${this.$data.form.passWordSure}`,
            message: "两次输入的密码不一致",
            trigger: "blur",
        }
    ],

}

ChildNode.remove()

https://developer.mozilla.org/en-US/docs/Web/API/ChildNode/remove

refs

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