26 

    26 

    27 # regex special chars pulled from https://bugs.python.org/issue29995

    27 # regex special chars pulled from https://bugs.python.org/issue29995

    28 # which was part of Python 3.7.

    28 # which was part of Python 3.7.

    29 _respecial = pycompat.bytestr(b'()[]{}?*+-|^$\\.&~# \t\n\r\v\f')

    29 _respecial = pycompat.bytestr(b'()[]{}?*+-|^$\\.&~# \t\n\r\v\f')

    30 _regexescapemap = {ord(i): (b'\\' + i).decode('latin1') for i in _respecial}

    30 _regexescapemap = {ord(i): (b'\\' + i).decode('latin1') for i in _respecial}

    31 

    32 

    32 def reescape(pat):

    33 def reescape(pat):

    33     """Drop-in replacement for re.escape."""

    34     """Drop-in replacement for re.escape."""

    34     # NOTE: it is intentional that this works on unicodes and not

    35     # NOTE: it is intentional that this works on unicodes and not

    35     # bytes, as it's only possible to do the escaping with

    36     # bytes, as it's only possible to do the escaping with