[Python-Dev] \u and \U escapes in raw unicode string literals

[Hrvoje Nikšić]

On Fri, 2007-05-11 at 13:06 -0700, Guido van Rossum wrote:
> >     attribution_pattern = re.compile(ur'(---?(?!-)|\u2014) *(?=[^ \n])')
> 
> But wouldn't it be just as handy to teach the re module about \u and
> \U, just as it already knows about \x (and \123 octals)?

And \n, \r, etc.  Implementing \u in re is not only useful, but also
consistent.