text: import { NotImplementedError } from '../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.
   *
   */
  export default function isMAC48Address(arg) {
    let regex = /^([0-9A-F]{2}[:-]){5}([0-9A-F]{2})$/;
    return regex.test(arg);
  }
  
  