old_contents: # -*- coding: utf-8 -*-
  import re
  
  def word_check(check_word):
  
      # Not process case
      # => TODO this function
      if check_word == "。":
          return True
      elif check_word == "、":
          return True
      elif check_word == " ":
          return True
      elif check_word == "":
          return True
      elif check_word == "の":
          return True
      elif check_word == "・":
          return True
      elif check_word == "!":
          return True
      elif check_word == "?":
          return True
  
  
      return False
  
new_contents: # -*- coding: utf-8 -*-
  import re
  
  def word_check(check_word):
  
      # Not process case
      # => TODO this function
      if check_word == "。":
          return True
      elif check_word == "、":
          return True
      elif check_word == " ":
          return True
      elif check_word == "":
          return True
      elif check_word == "・":
          return True
      elif check_word == "!":
          return True
      elif check_word == "?":
          return True
      elif check_word == ",":
          return True
      elif check_word == ".":
          return True
      elif check_word == "*":
          return True
      elif check_word == "?":
          return True
      elif check_word == "`":
          return True
  
      return False
  
subject: Add a word_match pattern.