Gavin Kistner wrote:
> I occasionally find myself with gsub regexp that either eat too much,
> or work within a nesting, such that I need to run gsub more than once
> in order to get the desired end result. The code I end up writing
> tends to be of the form:
> 
> while foo.gsub!( /.../, ... ); end
> 
> Frankly, I really don't like that. It's like JS people who write
> things like:
> for ( var walkerNode = this; walkerNode.parent; walkerNode =
> walkerNode.parent ){}
> 'abusing' the for loop construct to hold their logic.
> 
> Is there some other form in Ruby of "keep doing this until it returns
> nil" that is less...gross?

Another one

1 while foo.gsub!( /.../, ... )

Kind regards

    robert