JAVASCRIPT

split a string every n characters javascript

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

split every n character js

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

split a string every n characters javascript

let chunks = [];

for (let i = 0, charsLength = str.length; i < charsLength; i += 3) {
    chunks.push(str.substring(i, i + 3));
}

js split string every n characters

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