code: def match(self, regex, flags=0):
      
  
      if isinstance(regex, str):
        regex = re.compile(regex, flags)
      match = regex.match(self.text, self.index)
      if not match:
        return None
      start, end = match.start(), match.end()
      lines = self.text.count('\n', start, end)
      self.index = end
      if lines:
        self.colno = end - self.text.rfind('\n', start, end) - 1
        self.lineno += lines
      else:
        self.colno += end - start
      return match
docs: Matches the specified *regex* from the current character of the *scanner*
      and returns the result. The Scanners column and line numbers are updated
      respectively.
  
      # Arguments
      regex (str, Pattern): The regex to match.
      flags (int): The flags to use when compiling the pattern.