Programming challenge: wildcard exclusion in cartesian products

[Marcin 'Qrczak' Kowalczyk]

"wkehowski at cox.net" <wkehowski at cox.net> writes:

> The python code below generates a cartesian product subject to any
> logical combination of wildcard exclusions. For example, suppose I want
> to generate a cartesian product S^n, n>=3, of [a,b,c,d] that excludes
> '*a*b*' and '*c*d*a*'. See below for details.

I'm afraid that different programs in this thread has understood the
asterisk differently: that it matches any single element, or that it
matches any sequence of elements.

-- 
   __("<         Marcin Kowalczyk
   \__/       qrczak at knm.org.pl
    ^^     http://qrnik.knm.org.pl/~qrczak/