From: Farrel Lifson <farrel.lifson@...>
Date: 2007-06-04T23:04:37+09:00
Subject: Re: How to check if a string is a integer ?

On 04/06/07, David Mullet <david.mullet@gmail.com> wrote:
> w wg wrote:
> 123.is_a? Integer
> => true
> 'David'.is_a? Integer
> => false

That won't work

irb(main):001:0> "123".is_a? Integer
=> false

Farrel