const str = "The quick brown fox jumps over a lazy dog";
const vowels = str.match(/[aeiou]/gi);
const consonants = str.match(/[^aeiou]/gi);
vowels.concat([''],consonants).forEach(k => { console.log(k); } );
const vowelCount = str => {
let vowels = /[aeiou]/gi;
let result = str.match(vowels);
let count = result.length;
console.log(count);
};
function countVowels(str) {
return str.match(/[aeiou]/g).length;
}