"Selector, Lev Y" <[EMAIL PROTECTED]> writes:
> Folks,
>
> It was long time - no messages (on this list).
> Is everybody OK?
> I am working in downtown New York City -
> and still can smell burning outside the building:
>
> http://www.spaceimaging.com/ikonos/wtc0915_1280.jpg
>
> I have a (simple) Perl question.
> Is there a standard function in perl which can tell me
> if a string represents a valid number?
> (including integer, with decimal point and scientific notaion with "e").
#!/usr/bin/perl6
sub is_number ($number) { return +$number eq 'NaN' }
Shame we haven't actually *got* Perl 6 yet.
--
Piers
