jtribble/valid-zip.js

## valid-zip.js
/**
 * Is string a valid zip code?
 *
 * @param {string} str
 * @return {boolean}
 */
var isValidZip = function (str) {
  return /(^\d{5}$)|(^\d{5}-\d{4}$)/.test(str);
};
	/**
	* Is string a valid zip code?
	*
	* @param {string} str
	* @return {boolean}
	*/
	var isValidZip = function (str) {
	return /(^\d{5}$)\|(^\d{5}-\d{4}$)/.test(str);
	};