Re: [xsl] Challenge: create xPath 2.0 regular expressions fo

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Subject: Re: Challenge: create xPath 2.0 regular expressions for each XML Schema datatype
From: Abel Braaksma <abel.online@xxxxxxxxx>
Date: Wed, 18 Oct 2006 14:02:29 +0200

David Carlisle wrote:

Most of those are already listed in the schema spec eg
http://www.w3.org/TR/xmlschema-2
    <xs:restriction base="xs:short">
      <xs:minInclusive value="-128" id="byte.minInclusive"/>
      <xs:maxInclusive value="127" id="byte.maxInclusive"/>
tells you immediately that the xpath2 for byte is

(:whatever you have for xs:short:) and $value >= -128 and $value <= 127

But he was thinking of a regular expression. Though it seems a bit outrageous to create a regex for a byte, it might look something like this:

regex = "^\s*(([+-]?(1[01]\d|12[0-7]|0?\d?\d))|+?128)\s*$"

Note that this regex does not allow for an empty string (which is correct, as xs:byte('') would fail)

-- Abel Braaksma
  http://www.nuntia.com

Current Thread
Challenge: create xPath 2.0 regular expressions for each XML Schema datatype Costello, Roger L. - 18 Oct 2006 11:24:14 -0000 Abel Braaksma - 18 Oct 2006 11:46:12 -0000 David Carlisle - 18 Oct 2006 11:53:16 -0000 Abel Braaksma - 18 Oct 2006 12:03:05 -0000 <= Michael Kay - 18 Oct 2006 22:05:20 -0000

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