Test if given string is "fuzzy-found" within a longer string, the "pattern". Thanks Jan Dvorak!

Fuzzy-Finding html5 import partial

/**
 * Test if given string is "fuzzy-found" within a longer string, the "pattern"
 * @return {[boolean]} [returns true if src can be "fuzzy-found" within the pattern]
 */
export default function(str, pattern) {
  str     = str.toLowerCase();
  pattern = pattern.toLowerCase();
  // Code shamelessly borrowed from Jan Dvorak, you're awesome! http://codereview.stackexchange.com/questions/23899/faster-javascript-fuzzy-string-matching-function
  pattern = pattern.split("").reduce(function(a,b){ return a+".*"+b; });
  return (new RegExp(pattern)).test(str);
}