JSFiddle - React, Tailwind, and code Playground

by 3rror404

JavaScript

const string1 = 'PACK Nº1 compressed :';
const string2 = 'PACK Nº2 compressed :';
const string3 = 'PACK Nº3 compressed :';
const string4 = 'PACK Nº4 compressed :';
const string5 = 'PACK Nº5 compressed :';

alert(formatString(string1))

function formatString(str) {
	let arr = str.split(' ')
  arr[0] = arr[0].charAt(0).toUpperCase() + arr[0].substr(1).toLowerCase();
  arr[2] = arr[2].toLowerCase();
  return arr.slice(0,3).join(" ");
}