[REBOL] Re: Testing if a string is an integer?
From: carl:cybercraft at: 9-Dec-2000 4:41
On 09-Dec-00, Philip Bevan wrote:
> Hi Matt,
> why can you use to-integer
> for example
>>> a: "1234567890"
> == "1234567890"
>>> either error? try [to-integer a] [print "Not an integer"] [print
That wouldn't work for decimals in the string as "123.7" would be
converted to an integer and returned as okay.
All I can think of is forall-ing through the string and checking every
character, but I'm sure there's a more simpler way in REBOL.