From: Grant Schoep <lists@...>
Date: 2012-12-28T13:22:10+09:00
Subject: Re: numeric?

> Problem all strings will convert to integers.
>
> "fred".to_i => 0
> "69skiddoo".to_i => 69
> "".to_i => 0
>
> I suspect that these would not be considered numbers.


In these cases, I just double convert i.e.

irb(main):016:0> buffer = 'fred'
=> "fred"
irb(main):017:0> buffer.to_i.to_s == buffer
=> false

And then
irb(main):001:0> buffer = '42'
=> "42"
irb(main):002:0> buffer.to_i.to_s == buffer
=> true

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