Re: [xml-dev] regular expressions

[David Tolpin <dvd@davidashen.net>]

> 
> If Perl 6 ends up getting traction I think we'll see a stronger
> move for this, because Perl 6 regular expressions support an
> EBNF-style syntax and context-free (or context-sensitive) grammars
> are integrated into regular expressions.
> 
> I'll also note you can simplify your specific pattern using character
> classes, e.g. :alnum: or \a (depending on the schema language), at
> some minor possible cost in portability.

What schema language supports :alnum: or \a?

David