On Tue, 5 Mar 2019 at 14:05, Martin Bjorklund <m...@tail-f.com> wrote:
> Christian Hopps <cho...@chopps.org> wrote:
> >
> > William Lupton <wlup...@broadband-forum.org> writes:
> >
> > >> The intent was "ascii-printable". Would be nice if there was an easier
> > > way to specify this. :)
> > >
> > > Printable ASCII characters are ' ' (space) through '~' (tilde) so
> > > naively [
> > > -~] should work ... but perhaps that makes unacceptable assumptions
> > > -about
> > > the locale and/or character encoding? (Certainly it should be OK if we
> > > can
> > > assume UTF-8, because all printable ASCII characters retain their
> > > ASCII
> > > representations in UTF-8.)
> >
> > I think your suggestion is a good one!
>
> Not sure I get it. What exactly is the suggestion?
>
Presumably the suggestion of using the [ -~] ("space through tilde")
closure. I forgot to include other whitespace characters (CR, LF, FF) so if
those are to be included it could be [\s!-~] ("whitespace plus exclamation
mark through tilde").
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