From: "David A. Black" <dblack@...>
Date: 2004-09-28T07:15:26+09:00
Subject: Re: keep changes in string outside of scope?

Hi --

On Tue, 28 Sep 2004, Matthew Margolis wrote:

> David A. Black wrote:
> 
> >Hi --
> >
> >On Tue, 28 Sep 2004, David A. Black wrote:
> >
> >  
> >
> >>  thestring.sub!(/\d{5}/) {|x| "#{x},"}
> >>    
> >>
> >
> >Amendment: as James G. suggested, use gsub! if you have more than one
> >in one string :-)  Also make sure that you have no street numbers with
> >five digits in a row.
> >
> >
> >David
> >
> >  
> >
> Excellent.  I didn't know that each returned new objects.  Thanks a 
> bunch guys.

Just to clarify: it (each) doesn't always return new objects; it
depends on the particular case.  For example, in the case of
Array#each, you do get the actual array element.  With strings, the
effect is like splitting the string into lines, i.e., substrings.


David

-- 
David A. Black
dblack@wobblini.net