Symbol.matchAll

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since September 2015.

The Symbol.matchAll static data property represents the well-known symbol Symbol.matchAll. The String.prototype.matchAll() method looks up this symbol on its first argument for the method that returns an iterator, that yields matches of the current object against a string.

For more information, see RegExp.prototype[Symbol.matchAll]() and String.prototype.matchAll().

Try it

Value

The well-known symbol Symbol.matchAll.

Property attributes of Symbol.matchAll
Writableno
Enumerableno
Configurableno

Examples

Using Symbol.matchAll

js
const str = "2016-01-02|2019-03-07";

const numbers = {
  *[Symbol.matchAll](str) {
    for (const n of str.matchAll(/[0-9]+/g)) yield n[0];
  },
};

console.log(Array.from(str.matchAll(numbers)));
// ["2016", "01", "02", "2019", "03", "07"]

Specifications

Specification
ECMAScript Language Specification
# sec-symbol.matchall

Browser compatibility

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See also