From: Gavin Kistner <gavin.kistner@...>
Date: 2006-11-18T03:23:17+09:00
Subject: Re: ruby equivalent PHP function is_numeric?

From: jason.dusek@gmail.com [mailto:jason.dusek@gmail.com] On 
> It really is too bad that String.to_f does not throw an exception - or
> at least return NaN - when the string is not a number.

Float( mystring )
does raise an exception, however.