text: /* 1553
   * (([a-zA-Z0-9\-]*\.{1,}){1,}[a-zA-Z0-9]*)
   * EXPONENT
   * nums:3
   * EXPONENT AttackString:""+"."*32+"!1 __NQ"
   */
  var REGEX = /(([a-zA-Z0-9\-]*\.{1,}){1,}[a-zA-Z0-9]*)/
  for(var i = 1; i <= 5000000; i++) {
      var time = Date.now();
      var attack_str = '' + '.'.repeat(i*1) + '!1 __NQ'
      REGEX.exec(attack_str)
      // REGEX.test(attack_str);
      // attack_str.search(REGEX)
      // attack_str.match(REGEX)
      var time_cost = Date.now() - time;
      console.log(i * 1 + ": " + time_cost+" ms")
  }