RegExp.prototype.source

Baseline

20157

source RegExp 2

const regex = /fooBar/gi;

console.log(regex.source);
// : "fooBar"

console.log(new RegExp().source);
// : "(?:)"

console.log(new RegExp("\n").source === "\\n");
// : true ES5 
// Due to escaping

source 2 source new RegExp("/") source \\/ / /// (?:)

source

const regex = /fooBar/gi;

console.log(regex.source); // "fooBar", /.../  "gi"

new RegExp().source; // "(?:)"

new RegExp("\n").source === "\\n"; // trueES5


ECMAScript 2027 LanguageSpecification # sec-get-regexp.prototype.source

RegExp.prototype.flags

MDN

MDN 20251110

GitHub

RegExp
1. RegExp()
1. escape()
Object/Function
1. __proto__
2. constructor