On 8 Oct 2006 01:49:50 -0700, Diez B. Roggisch <[EMAIL PROTECTED]> wrote:
> Even if it has - I'm not sure if it really does you good, for several > reasons: > > - regexes - even enhanced ones - don't build trees. But that is what > you ultimately want > from an expression like sin(log(x)) > > - even if they are more powerful these days, the theory of context > free grammars still applies. > so if what you need isn't LL(k) but LR(k), how do you specify that > to the regex engine? > > - the regexes are useful because of their compact notations, parsers > allow for better structured outcome Just wait for Perl 6 :D -- Theerasak -- http://mail.python.org/mailman/listinfo/python-list
