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Fri May 11 22:10:36 CEST 2007 · https://mail.python.org/pipermail/python-dev/2007-May/073069.html

> Guido van Rossum <guido <at> python.org> writes:
> > I'd like to hear from anyone who has access to *real code* that uses
> > \u or \U in a raw unicode string.

David Goodger <goodger <at> python.org> writes:
> Docutils uses it in the docutils.parsers.rst.states module, Body class:
> 
>     patterns = {
>           'bullet': ur'[-+*\u2022\u2023\u2043]( +|$)',
>     ...
> 
>     attribution_pattern = re.compile(ur'(---?(?!-)|\u2014) *(?=[^ \n])')

Although admittedly, these don't *have* to be raw strings, since they don't
contain backslashes as regexp syntax.  They were made raw by reflex, because
they contain regular expressions.

-- DG

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