From: Joseph Pecoraro <joepeck02@...>
Date: 2007-12-16T15:12:31+09:00
Subject: Re: How t owrite an OR statement

> while again != "y" || "n"


These don't use the OR logic, but they are similiar.
until again ~= /^[yn]/i do
  ...
end

Or if your wanted to keep the while keyword you could do this as:
while again[0] != /^[^yn]/i do
  ...
end


I don't know if you can do exactly what you are trying to do with that 
syntax.  You can reconstruct the logic like this:
while again != "y" && again != "n" do
  ...
end


Here is another approach more along the lines of what you have (is 
something in a list of something else), likewise the until loop could be 
made a while loop:
good_chars = %w(y n) #=> ['y', 'n']
until good_chars.include? again do
  ...
end
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