RE: are the regular expressions over xml structure?
Quite fascinating! Fyi to save people the few seconds of googling I found this link http://www.softwareworkshop.com/h2/SQL-RPR-review-paper.pdf ---------------------------------------- David A. Lee firstname.lastname@example.org http://www.xmlsh.org > -----Original Message----- > From: Jim Melton [mailto:email@example.com] > Sent: Monday, July 02, 2012 1:08 PM > To: David Lee > Cc: Oleg Parashchenko; Michael Kay; firstname.lastname@example.org > Subject: RE: are the regular expressions over xml structure? > > I'll point out in passing that the so-called "ANSI SQL committee" has > just forwarded for final approval a new part of the SQL standard > called "Row Pattern Recognition" (a/k/a Matching) that allows one to > search tables for sets of rows that match regular expressions. > > If this is a desirable feature for XQuery and/or XSLT (and I am not > presently taking a position on that question), then there is a > precedent that might provide some inspiration on how to do > it. Interested parties could consider submitting a candidate > requirement by posting a new bug in the public Bugzilla instance at > W3C (https://www.w3.org/Bugs/Public/), specifying the appropriate > Product ("XPath / XQuery / XSLT") and Component ("XQuery 3.1 > Requirements and Use Cases"). > > Hope this helps, > Jim > > At 7/2/2012 06:38 AM, David Lee wrote: > >I personally would love to see xml level regex in XQuery and XSLT. > >The examples are quite concise and readable. > >Just noodling, would it be possible to translate some forms of regex > >into XPath ? Or would XPath (and XSLT match expressions) need deep > >enhancements. > >For XPath I could imagine some regex's being translatable. > >For Match expressions maybe not. > > ================================================================ > ======== > Jim Melton --- Editor of ISO/IEC 9075-* (SQL) Phone: +1.801.942.0144 > Chair, ISO/IEC JTC1/SC32 and W3C XML Query WG Fax : +1.801.942.3345 > Oracle Corporation Oracle Email: jim dot melton at oracle dot com > 1930 Viscounti Drive Alternate email: jim dot melton at acm dot org > Sandy, UT 84093-1063 USA Personal email: SheltieJim at xmission dot com > ================================================================ > ======== > = Facts are facts. But any opinions expressed are the opinions = > = only of myself and may or may not reflect the opinions of anybody = > = else with whom I may or may not have discussed the issues at hand. = > ================================================================ > ======== >
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