eliminate junk from std.string?

[Nick Sabalausky]

"Lars T. Kyllingstad" <public at kyllingen.NOSPAMnet> wrote in message 
news:igeia5$1t4a$4 at digitalmars.com...
>
> 1. What are the hexdigits, digits, octdigits, lowercase, letters,
> uppercase, and whitespace arrays useful for?  The only thing I can think
> of is to check whether a character belongs to one of them, but I think
> that is better done with the std.ctype functions.
>

They're good for people like me who never noticed std.ctype ;)