split string every 4 characters javascript code example

Example 1: split every n character js

var str = 'abcdefghijkl';
console.log(str.match(/.{1,3}/g));

Example 2: js split string every n characters

foo.match(new RegExp('.{1,' + n + '}', 'g'));

Example 3: split a string every n characters javascript

console.log("abcd".match(/.{1,2}/g)); // ["ab", "cd"]