thomas coopman wrote:
> Hi,
> 
> Is there a simple way to remove all but the legal chars from a string.  where the legal chars are for example: a-z A-Z 0-9
> So everything should be removed from the string but these characters.
> "exam@p  Le3| --> "exampLe"
> 
> I don't know very much about regular expressions, so I don't know if it's possible with sub or gsub.  My first Idea was to loop over the string and check every character but I wondered if there is something more simple or better.
> 
> Thanks
> 
str.gsub(/[^a-zA-Z]/, '') should do it.

-- 
Alex