text: from pydantic import BaseModel
  
  
  class Alias(BaseModel):
      name: str
      command_from: str
      command_to: str
  
      @property
      def regexp(self) -> str:
          _regexp_control = r"[]\/^$.|?*+-(){}"
          command_from = self.command_from[:]
          for control in _regexp_control:
              command_from = command_from.replace(control, "\\" + control)
          return command_from
  