text: # 3698
  # ^\w+(([-+']|[-+.]|\w+))*@\w+([-.]\w+)*\.\w+([-.]\w+)*$
  # EXPONENT
  # nums:5
  # EXPONENT AttackString:"1"+"-+"*16+"! _1_EOD(i4)"
  
  import re2 as re
  from time import perf_counter
  
  regex = """^\w+(([-+']|[-+.]|\w+))*@\w+([-.]\w+)*\.\w+([-.]\w+)*$"""
  REGEX = re.compile(regex)
  for i in range(0, 150000):
      ATTACK = "1" + "-+" * i * 1 + "! _1_EOD(i4)"
      LEN = len(ATTACK)
      BEGIN = perf_counter()
      m = REGEX.search(ATTACK)
      # m = REGEX.match(ATTACK)
      DURATION = perf_counter() - BEGIN
      print(f"{i *1}: took {DURATION} seconds!")