From: Joel VanderWerf <vjoel@...>
Date: 2004-06-23T04:36:43+09:00
Subject: Re: Newbie question - how to replace multiple whitespace within astring?

Brian Tully wrote:

> Should I use state.squeeze(" ") to ensure that it always returns the state
> even if nothing was changed? squeeze! seems to return nil if nothing needs
> to be changed.

str.squeeze! is destructive (changes the String object referred to by 
str), and str.squeeze is not. So it just depends on whether you need to 
keep the original string intact (I'd guess not).