const palindromes = function (str) { step1 = str.toLowerCase().replace(/[^a-zA-Z0-9s+]/g, ""); result = step1.split('').reverse().join(''); if (result == step1){ console.log(result); return true }else {console.log('False')} return false }; // palindromes('123, 321'); // Do not edit below this line module.exports = palindromes;