[Python-ideas] PEP 8: raw strings & regular expressions

[Serhiy Storchaka]

On 22.10.15 05:24, Yury Selivanov wrote:
> I was a little bit frustrated that Sublime Text and Atom didn't support
> all Python 3 features (mainly annotations & async/await syntax), so I
> decided to write a new highlighter:
>
>      https://github.com/MagicStack/MagicPython
>
> In the process, we had to make a decision on how to highlight raw string
> literals -- r''.  Many existing highlighters assume that all raw strings
> are regexps, and highlight them as such, i.e. '\s' and '\n' will be
> highlighted.
>
> I think that it might be a good idea to state the following in PEP 8:
>
> - use r'...' strings for raw strings that describe regular expressions;
> these strings might be highlighted specially in some editors.
>
> - use R'...' strings for raw strings; editors *should not* highlight
> any escaped characters in them.
>
> What do you think?

Do highlighters highlight formatting strings ("%*.2f" or 
"{0.addr:0{}x}") specially?