How to convert a raw string r'\xdd' to '\xdd' more gracefully?

[Jach Feng]

Peter Otten 在 2022年12月8日 星期四清晨5:17:59 [UTC+8] 的信中寫道：
> On 07/12/2022 03:23, Jach Feng wrote: 
> > s0 = r'\x0a' 
> > At this moment it was done by 
> > 
> > def to1byte(matchobj): 
> > ....return chr(int('0x' + matchobj.group(1), 16)) 
> > s1 = re.sub(r'\\x([0-9a-fA-F]{2})', to1byte, s0) 
> > 
> > But, is it that difficult on doing this simple thing?
> >>> import codecs 
> >>> codecs.decode(r"\x68\x65\x6c\x6c\x6f\x0a", "unicode-escape") 
> 'hello\n'
Thank you. What I really want to handle is to any r'\xdd'. The r'\x0a' is for example. Sorry, didn't describe it clearly:-)