JavaScript Symbol.matchAll Property

The Symbol.matchAll property returns the regular expression that matches against a string. The String.prototype.matchAll() method calls this function. The syntax of the property is as follows:

regExp[Symbol.matchAll](str);

Parameter: It takes a string used to find matches of the regular expression against the string.

Return value: The Symbol.matchAll property returns an iterator that returns regular expression matches against the string.

Example 1:

JavaScript

function func() {

// Final Result store result of matchAll property
const result = /a/[Symbol.matchAll]("abcd");

// Iterate on all matched elements
console.log(Array.from(result, (x) => x[0]));
}

func();

Output:

["a"]

Example 2:

JavaScript

function func() {

// finalResult store result of matchAll property
const result = /[0-9]+/g[Symbol.matchAll]("06-03-2021");

// Iterate on all matched elements
console.log(Array.from(result, (x) => x[0]));
}

func();

Output:

["06","03","2021"]

Example 3:

JavaScript

function func() {

// finalResult store result of
// matchAll property
const result = /[0-9]+/g[Symbol.matchAll]
("India got freedom in 1947");

// Iterate on all matched elements
console.log(Array.from(result, (x) => x[0]));
}

func();

Output:

["1947"]

We have a complete list of Javascript symbols, to check those please go through the Javascript Symbol Complete Reference article.