compactWhitespace Compacts whitespaces in a string. Use String.prototype.replace() with a regular expression to replace all occurrences of 2 or more whitespace characters with a single space. const compactWhitespace = str => str.replace(/\s{2,}/g, ' '); compactWhitespace('Lorem Ipsum'); // 'Lorem Ipsum' compactWhitespace('Lorem \n Ipsum'); // 'Lorem Ipsum'