[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: regexp and valid-sre?
Kevin Wortman scripsit:
> "Note that an SRE is a first-class object consisting of nested lists
> of strings, chars, char-sets, symbols and numbers. Where the syntax is
> described as (foo bar), this can be constructed equivalently as '(foo
> bar) or (list 'foo 'bar), etc."
Right. So it's not a *disjoint* data type, as compiled re's and
regex-match objects are. But that doesn't mean it doesn't deserve a
predicate, even if you have to be sure to check that predicate before
any of the built-in ones.
Do what you will, John Cowan
this Life's a Fiction cowan@xxxxxxxx
And is made up of http://www.ccil.org/~cowan
Contradiction. --William Blake