Michiharu Kudoh writes:
> I think regex expressions could provide wider expressive power.
> What I worried about was there seems to be no standard or no de-fact
> standard for representing regular expression on tree structures.
> Moreover, there seems to be no available algorithms or software products.
> It could require a mechanism for making tree pattern matching and more.
I'm wondering if the OASIS RELAX-NG work, in part based upon James Clark's TREX
("Tree Regular Expressions"), would be helpful here. See:
http://www.oasis-open.org/committees/relax-ng/
or the current version of the spec at:
http://www.oasis-open.org/committees/relax-ng/spec-20010917.html
| John S. Erickson, Ph.D.
| Hewlett-Packard Laboratories
| PO Box 1158, Norwich, Vermont USA 05055
| 802-649-1683 (vox) 802-371-9796 (cell) 802-649-1695 (fax)
| AIM/YIM/MSN: olyerickson
