separate number from string javascript code example

Example 1: js extract only numbers from string

"1.23-45/6$7.8,9".replace(/[^0-9]/g,'')

// Response: "123456789"

Example 2: separate digits in javascript

const n = 123456;
Array.from(n.toString()).map(Number);
// [1, 2, 3, 4, 5, 6]