On Thu, 23 Sep 2004, YANAGAWA Kazuhisa wrote:

> In Message-Id: <4152820A.9080408 / gmx.net>
> Henrik Horneber <ryco / gmx.net> writes:
>
>> What's the best way to test if a string only consists of whitespaces
>> and newlines?
>
> What about this?:
>
>  string !~ /\S/
>
> where "\S" means complement of "\s".  If your white spaces are not
> equal to "\s", you can use an appropriate character class, say
> "[^ \n]" for a character except a space and a line feed.


i use this alot:


   if s.strip.empty?

     # the string is whitespace only

   end

-a
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