From: Todd Benson <caduceass@...>
Date: 2008-02-15T02:55:42+09:00
Subject: Re: Problem usning 'OR' operator in 'IF' condition?

On Thu, Feb 14, 2008 at 1:01 AM, dare ruby <martin@angleritech.com> wrote:
> Dear friends,
>
>  I have got an error when i tried to check multiple condition using "OR"
>  operator inside "IF" loop.
>
>  my code is
>
>     if @character != 'R'  || @character != 'r'
>
>         raise " Expected 'R' after 'E' in version Declaration"
>

The statement " If character is not 'R' _OR_ character is not 'r' "
will always be true.  If it is "R", then it is not "r", and vice
versa.

In the other one that you said works (with the == instead of the !=)
contradicts a little with your original code.  Do you want to raise
when there exists an [rR] or when there does not exist an [rR]?

Look at Robert's code.  I like the one with the regular expression.

Todd