From: Gavin Kistner <gavin.kistner@...>
Date: 2006-11-18T02:47:07+09:00
Subject: Re: ruby equivalent PHP function is_numeric?

From: Paul Lutus [mailto:nospam@nosite.zzz] 
> What purpose does the underscore play? I see that it is 
> accepted, I just
> can't figure out why. I have never seen it as part of proper numeric
> syntax, anywhere, in three decades in this business.
> 
> a = 1_2_3_4_5_6_7 # => 1234567

big = 10000000
Quick, is that 1e6 or 1e7 or 1e8?

vs.
big = 10_000_000