case-insensitive regex that strips vowels out of a string

disemvowel.js

/**
 * disemvowel - remove vowels from a string
 * @param {string} phrase - the string you want to "disemvowel"
 */
function disemvowel(phrase) {
  "use strict";
  return phrase.replace(/[aeiou]/ig, "");
}