text: /* CHALLENGE 15 - Iterate over String
  
  Count number of the lowercase vowel letters in the string.
  Vowel letters - a, e, i, o, u
  */
  
  "use strict";
  
  var vowelsCount = 0;
  var vowels = ["a", "e", "i", "o", "u"];
  
  var str = "Today is best day of my life";
  
  // Write code here
  // vowels.forEach((vowel) => {
  //   vowelsCount += (str.match(new RegExp(vowel, 'g')) || []).length
  // })
  
  for(let s of str){
    if(vowels.includes(s)) vowelsCount++;
  }
  
  
  console.log(vowelsCount);
  // 8
  