text: const { NotImplementedError } = require('../extensions/index.js');
  
  /**
   * The MAC-48 address is six groups of two hexadecimal digits (0 to 9 or A to F),
   * separated by hyphens.
   *
   * Your task is to check by given string inputString
   * whether it's a MAC-48 address or not.
   *
   * @param {Number} inputString
   * @return {Boolean}
   *
   * @example
   * For 00-1B-63-84-45-E6, the output should be true.
   *
   */
  function isMAC48Address(n) {
    return /^([0-9A-F]{2}-){5}[0-9A-F]{2}$/.test(n)
  }
  module.exports = {
    isMAC48Address
  };
  