From: Gregory Millam <walker@...>
Date: 2003-12-09T05:43:57+09:00
Subject: Re: format money

Received: Tue, 9 Dec 2003 05:39:27 +0900
And lo Peter wrote:

> > # Here's my try:
> >
> > balance.to_s.reverse.gsub(/(\d{3})(?=\d)/,'\1,').reverse
> >
> > examples:
> > irb(main):007:0> "123456789".reverse.gsub(/(\d{3})(?=\d)/,'\1,').reverse
> > => "123,456,789"
> > irb(main):008:0> "1234567890".reverse.gsub(/(\d{3})(?=\d)/,'\1,').reverse
> > => "1,234,567,890"
> >
> > (?=\d) is a lookahead assertion that checks to see if there's a digit
> > ahead of the current pattern without capturing it (which is the
> > important thing).
> 
> Apparently I hid my try pretty well in my reply :-)
> 
> Peter

*hits forehead*

Because of the ">" in irb(main):...:..>, my mua displays it as a comment.
*continues to hit forehead*


- Greg 'blind' Millam