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Re: Re: Not a Number

by broquaint (Abbot)
on Oct 18, 2002 at 11:17 UTC ( [id://206273]=note: print w/replies, xml ) Need Help??


in reply to Re: Not a Number
in thread Not a Number

It may be a little late now but here's a funky little subroutine from merlyn that distinguishes between numbers and strings 
sub is_numeric {
  ($_[0] & ~ $_[0]) eq "0";
}

[download]
The original post can be found here.
HTH

_________
broquaint

Replies are listed 'Best First'.
Re: Re: Re: Not a Number
by rasta (Hermit) on Oct 18, 2002 at 15:24 UTC
    OK, what will your subroutine return for '1e+2'?..
    perltod() works fine.
[reply]

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