squeeze.js

/*********************************************************************************************
 * Returns a copy of "input" without the characters that exist inside the "setOfCharacters".
 * It does the work in a case insensitive mode.
 * Example: "Hello World!" with "setOfCharacters" being "oe", returns "Hll Wrld!".
 *
 * @param input
 * @param setOfCharacters
 * @returns String
 */
function squeeze(input, setOfCharacters) {
  if (input === null) {
    return null;
  }

  if (setOfCharacters === null) {
    return input;
  }

  var re = new RegExp("[" + setOfCharacters + "]", "gi");

  return input.replace(re, '');
}