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RE: are the regular expressions over xml structure?

• From: David Lee <dlee@calldei.com>
• To: Jim Melton <jim.melton@oracle.com>
• Date: Mon, 2 Jul 2012 17:16:46 +0000

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
dlee@calldei.com
http://www.xmlsh.org


> -----Original Message-----
> From: Jim Melton [mailto:jim.melton@oracle.com]
> Sent: Monday, July 02, 2012 1:08 PM
> To: David Lee
> Cc: Oleg Parashchenko; Michael Kay; xml-dev@lists.xml.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.  =
> ================================================================
> ========
> 

• References:
  • Re: are the regular expressions over xml structure?
    • From: Oleg Parashchenko <olpa@uucode.com>
  • RE: are the regular expressions over xml structure?
    • From: David Lee <dlee@calldei.com>
  • RE: are the regular expressions over xml structure?
    • From: Jim Melton <jim.melton@oracle.com>