Re: Regexp for c-or-c++-mode

[Michał Nazarewicz]

On Tue, 9 Jun 2020 at 21:13, Alan Mackenzie <acm@muc.de> wrote:
> On Sun, Jun 07, 2020 at 19:07:12 +0100, Michał Nazarewicz wrote:
> > On Sun, 7 Jun 2020 at 17:41, Alan Mackenzie <acm@muc.de> wrote:
> > > In c-or-c++-mode--regexp, there are several occurrences of
>
> > >     [ \t\r]
>
> > > .  These expressions notably lack \n.  This seems strange, given how \n
> > > is the normal line terminator in Emacs and \r is a rarely used artefact.
>
> > I wanted the regex to match single-line rather than multi-line statements
> > to avoid false positives. Though, other than #include lines, either will
> > probably work equally well.
>
> I don't fully understand.  Why have you got the \r there?

I suppose you’re right. It should be [ \t\v\f] instead to catch
all non-new-line white-space characters. Or [ \t\v\f\r\n] to catch
all white-space characters.

-- 
Best regards
ミハウ “𝓶𝓲𝓷𝓪86” ナザレヴイツ
«If at first you don’t succeed, give up skydiving»