Doh! A subtle but should-be-obvious syntax detail.
Thanks,
Eliot
--
Eliot Kimber
http://contrext.com
On 1/10/18, 10:39 AM, "David Carlisle
d(_dot_)p(_dot_)carlisle(_at_)gmail(_dot_)com"
<xsl-list-service(_at_)lists(_dot_)mulberrytech(_dot_)com> wrote:
On 10 January 2018 at 16:15, Eliot Kimber ekimber(_at_)contrext(_dot_)com
<xsl-list-service(_at_)lists(_dot_)mulberrytech(_dot_)com> wrote:
> I have this simple type in an XSD, which is my attempt to validate
strings that are subsets of the string representation of xs:time values:
>
> <xs:simpleType name="timestr">
> <xs:restriction base="xs:string">
> <xs:pattern
value="(\d|0\d|1\d|2[0123])(:([0-5]\d|60)(:([0-5]\d|60))?)?|24(:00(:00)?)?"/>
> </xs:restriction>
> </xs:simpleType>
>
> And it correctly rejects "05:96" as invalid.
>
> However, using the same regex with start/end anchors added in matches()
it does not reject "05:96".
>
> This transform:
>
> <xsl:template match="/">
> <xsl:variable name="timestr" as="xs:string"
> select="'05:96'"
> />
> <xsl:variable name="is-valid" as="xs:boolean"
> select="matches($timestr,
'^(\d|0\d|1\d|2[0123])(:([0-5]\d|60)(:([0-5]\d|60))?)?|24(:00(:00)?)?$')"
> />
> <result>
> <is-valid><xsl:value-of select="$timestr"/>, <xsl:value-of
select="$is-valid"/></is-valid>
> </result>
> </xsl:template>
>
> Produces:
>
> <result><is-valid>05:96, true</is-valid></result>
>
> From Saxon 9.7. MarkLogic 9 XQuery gives the same result.
>
> My question: why am I not getting the same behavior from the XSD
validator and XPath processors for this regular expression?
>
> Thanks,
>
> Eliot
>
> --Eliot Kimber
> http://contrext.com
>
>
you want
matches($timestr,
'^((\d|0\d|1\d|2[0123])(:([0-5]\d|60)(:([0-5]\d|60))?)?|24(:00(:00)?)?)$')"
as otherwise the $ only applies to one of the | choices.
David
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