Re: [xslt] regexp extension?

On Mon, Dec 03, 2001 at 12:36:04PM +0100, Thomas Broyer wrote:
> En réponse à Daniel Veillard <>:
> >   Very clearly, I would prefer not to depend on another library being
> > installed. POSIX regexps are there, anything else requires installing
> > another library, I won't add this at least not in the default setup.
> EXSLT is changing to use XML Schema regexp syntax, which is not totally POSIX.
> Jeni Tennisson explains the differences from the JavaScript regexps, and most 
> of them also apply to POSIX (JavaScript regexps are a superset of POSIX ones), 
> in <>
> RX-XML, from Hackerlab, <> is under GPL and 
> implements Unicode-aware XML Schema regexps. Exactly what we need, isn't it?

   "The software we develop is distributed under the terms of the GNU General Public License"

  this makes impossible for closed source applications to link to it. Dead end !

> Eventually, we may propose POSIX regexps if RX-XML is not available but this 
> won't be EXSLT-compliant so we loose the benefits of EXSLT: be portable among 
> EXSLT-compliant processors.

  if Posix regexp are a subset of EXSLT regexp, then it will at least implement
that subset.


Daniel Veillard      | Red Hat Network  | libxml Gnome XML XSLT toolkit | Rpmfind RPM search engine

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