On Thu, Jan 15, 2004 at 10:15:30PM -0800, james woodyatt wrote:
> On 15 Jan 2004, at 08:53, Richard Jones wrote:
> >On Thu, Jan 15, 2004 at 05:19:44PM +0100, Markus Mottl wrote:
> >>I know it looks awful, but the four backslashes in the regexp
> >>pattern for re2 indeed only stand for one. They have to be escaped
> >>in the OCaml-string and also for PCRE again,
> >>i.e. twice. Substitution patterns use the $-sign for escaping -
> >>therefore escaping only needs to be done once.
> >
> >Another reason to hasten the addition of regular expressions to the
> >OCaml lexer, 'a la Perl!
> 
> Doesn't the lexer already have regular expressions?  I think you mean 
> something to make regular expressions into first-class values in the 
> language.  I'm not sure that's necessary.

Being able to write:

var ~ /ab+/

and similar certainly makes string handling and simple parsing a lot
easier.

Rich.

-- 
Richard Jones. http://www.annexia.org/ http://freshmeat.net/users/rwmj
Merjis Ltd. http://www.merjis.com/ - improving website return on investment
Perl4Caml lets you use any Perl library in your type-safe Objective
CAML programs. http://www.merjis.com/developers/perl4caml/

-------------------
To unsubscribe, mail caml-list-request@inria.fr Archives: http://caml.inria.fr
Bug reports: http://caml.inria.fr/bin/caml-bugs FAQ: http://caml.inria.fr/FAQ/
Beginner's list: http://groups.yahoo.com/group/ocaml_beginners