JavaScript: RegExp Object

RegExp is the value of the property key "RegExp" of the Global Object .

console.log( window.RegExp === RegExp );

Type

Type of RegExp is a function.

// type of RegExp
console.log( typeof RegExp === "function" );

Parent

Parent of RegExp is Function.prototype.

console.log( Reflect.getPrototypeOf ( RegExp ) === Function.prototype );

Purpose

Purpose of RegExp is:

• To create instance of “RegExp” objects. RegExp is used to pattern match strings, or find string patterns, or do string replacement by pattern.
• Holds the property key "prototype". The value of RegExp.prototype is the parent object of all regexp instances.

Constructor

RegExp Constructor

Properties

• RegExp.prototype