From: Mikael Brockman <mikael@...>
Date: 2004-09-23T18:53:19+09:00
Subject: Re: whitespace string only

Henrik Horneber <ryco@gmx.net> writes:

> Hi!
> 
> What's the best way to test if a string only consists of whitespaces
> and newlines?

class String
  def is_whitespace_only?
    self !~ /[\s\n]/m
  end
end