I wrote:
> What about +-+000 and ++-+0 though?
>
> And does StrToInt in the current sysutils check this?
An unhandled exception occurred at $0040A462 :
EConvertError : "+-000" is an invalid integer
$0040A462
$0040172F
To answer my own question: that one is invalid according to current sysutil
> > Rather..
> >
> > var
> > i: integer;
> > begin
> > i:= StrToInt(s);
> > if (s = '0') or (i <> 0) then
> > writeln('S is an integer, and i is now: ', i)
> > else
> > writeln('S is not an integer: ', s);
> > end;
> >
> > Alternatively:
> >
> > function IsInteger(s: string; i: inte
