Re: XML Schema 1.1 xpath 2.0 regex question

From: Mukul Gandhi <mukulg@softwarebytes.org>
To: Michael Kay <mike@saxonica.com>
Date: Fri, 17 Dec 2021 17:12:26 +0530

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Hi Mike,

On Fri, Dec 17, 2021 at 4:39 PM Michael Kay <mike@saxonica.com> wrote:

Neither the XSD nor the XPath regex syntax permits \x. If Xerces accepts it, then it's a non-conformant extension. You'll probably find it works in Saxon if you use the "j" flag, which is also a non-conformant extension - it switches from using the XSD regex syntax to the Java regex syntax.

The conformant way to write this in XSD is ` ` (but don't use this with the -x flag)

Thanks, for the explanation. That's helpful.

I can also see that, both Xerces and Saxon accept <xs:assert test="matches(a, 'hello[ ]+world')"/> (wrt the example, that I've posted within this thread) as fine. Its just that, Xerces doesn't reject the notation \x{...} for unicode code point value.

Regards,

Mukul Gandhi

References:
- XML Schema 1.1 xpath 2.0 regex question
  - From: Mukul Gandhi <mukulg@softwarebytes.org>
- Re: XML Schema 1.1 xpath 2.0 regex question
  - From: Mukul Gandhi <mukulg@softwarebytes.org>
- Re: XML Schema 1.1 xpath 2.0 regex question
  - From: Michael Kay <mike@saxonica.com>

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