def StringEscape(self, string, match, **_):
    """Escape backslashes found inside a string quote.

    Backslashes followed by anything other than ['"rnbt] will just be included
    in the string.

    Args:
       string: The string that matched.
       match: The match object (m.group(1) is the escaped code)
    """
    if match.group(1) == "'\"rnbt":
      self.string += string.decode("string_escape")
    else:
      self.string += string
dataset/ETHPy150Open google/grr/grr/lib/lexer.py/SearchParser.StringEscape/operator `in` -> `==`