On Fri, Sep 10, 2021 at 5:58 PM Parke <
parke.nexus@gmail.com> wrote:
> The comment preceding the read_numeral() function in version 5.4.3 of
> Lua's lexer says:
>
> > Roughly, [read_numeral()] accepts the following pattern:
> >
> > %d(%x|%.|([Ee][+-]?))* | 0[Xx](%x|%.|([Pp][+-]?))*
Fwiw, I suspect a Lua numeral will exactly match one of the following:
'0[Xx]%.%x+' followed optionally by '[Pp][+-]?%d+'
'0[Xx]%x+%.?%x*' followed optionally by '[Pp][+-]?%d+'
'%d+%.?%d*' followed optionally by '[Ee][+-]?%d+'
'%.%d+' followed optionally by '[Ee][+-]?%d+'
Additionally, certain characters are not allowed to follow after a numeral. (As just one example, the letters G through Z.)
