Re: Comments in XPath / XSLT regular expressions?

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Subject: Re: Comments in XPath / XSLT regular expressions?
From: Abel Braaksma Online <abel.online@xxxxxxxxx>
Date: Wed, 26 Jul 2006 11:16:04 +0200

Hi Frans,

You are right, it's there, I didn't notice this regex flag before.

But it does not allow for comments in the construct, it allows only for extra whitespace. And I need comments, otherwise the extra whitespace helps only a bit.

Cheers,
Abel

PS: don't CC me, please, I am a subscriber, like everybody else on this list. Now I receive the messages twice and I accidentally answered to you instead of the list ... ;)

Frans Englich wrote:

On Wednesday 26 July 2006 08:45, Abel Braaksma Online wrote:

Dear List,

The regular expression syntax used in XSLT and XPath is largely based on Perl's regular expression syntax. Perl added a very useful construct to their regular expression dialect: the /x modifier. It gives "whitespace freedom" and allows for comments inside regular expressions. It was a great enhancement at the time, especially for moderate to difficult regexes.

As I see it, XPath 2.0 has that flag too. See XQuery 1.0 and XPath 2.0 Functions and Operators, section 7.6.1.1 Flags:

http://www.w3.org/TR/xpath-functions/#regex-syntax

Cheers,

Frans

Current Thread
Comments in XPath / XSLT regular expressions? Abel Braaksma Online - 26 Jul 2006 08:45:38 -0000 Frans Englich - 26 Jul 2006 08:55:08 -0000 Abel Braaksma Online - 26 Jul 2006 09:16:23 -0000 <= David Carlisle - 26 Jul 2006 09:33:52 -0000 Michael Kay - 26 Jul 2006 09:52:08 -0000 David Carlisle - 26 Jul 2006 10:14:52 -0000 Michael Kay - 26 Jul 2006 09:20:54 -0000

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