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Re: [xsl] check the type of the $pattern argument to a regular expression?

Subject: Re: [xsl] check the type of the $pattern argument to a regular expression?
From: Abel Braaksma <abel.online@xxxxxxxxx>
Date: Mon, 16 Apr 2007 16:14:34 +0200
bryan rasmussen wrote: 
okay,  the limitation I was thinking of is that XML Schema's regex are
anchored (sort of sick so don't want to go find the spec and hunt up
the correct wording) and XSL-T not
necessarily


Precisely. Which is explained under 7.6.2 of XPath 2 spec (most of 7.6 explains the differences with XML Schema Regexes):

Unless the metacharacters ^ and $ are used as anchors, the string is considered to match the pattern if any substring matches the pattern. But if anchors are used, the anchors must match the start/end of the string (in string mode), or the start/end of a line (in multiline mode).

Note:
This is different from the behavior of patterns in [XML Schema Part 2: Datatypes Second Edition], where regular expressions are implicitly anchored.

Wish you well!

-- Abel Braaksma

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