String handling bug in Python

[Cliff Wells]

On Fri, 26 Apr 2002 15:23:49 -0600
Bjorn Pettersen wrote:

> > From: Tim Peters [mailto:tim.one at comcast.net] 
> > 
> > [Stephen Ferg]
> > > ...
> > > I would like to see Python support TRULY raw string 
> > literals -- string 
> > > literals that are not escaped in any way.  Perhaps they 
> > could be added 
> > > with a prefix of z (for zero escaping?), so that
> > >
> > >      z"\" == "\\"
> > >      z"\'" == "\\\'"
> > 
> > The first one can't be spelled at all with a raw string 
> > today.  The second one can be, and indeed the same way you 
> > spelled it, as r"\'".  What do you do in your scheme if you 
> > want a z-string to contain a single double-quote? 
> 
> I always thought that could be spelled r'"' or r'''"''', but I guess
> there would still be a problem if you wanted all of ", ', ''', and """
> in a string. I would think that would occur less frequently than \ at
> the end of a string though (especially with windows path names). I feel
> I must be missing something?

It seems if you imposed the limitation that the z-string not contain the quote
character used to delimit the string then you could simply use concatenation to
get around that limitation:

z"'" z'"' z'\'


-- 
Cliff Wells, Software Engineer
Logiplex Corporation (www.logiplex.net)
(503) 978-6726 x308  (800) 735-0555 x308