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- From: Matt Sergeant <matt@sergeant.org>
- To: "Roger L. Costello" <costello@mitre.org>
- Date: Wed, 09 Aug 2000 16:51:41 +0100 (BST)
On Wed, 9 Aug 2000, Roger L. Costello wrote:
> Here's my attempt at a declaration for foo:
>
> <element name="foo">
> <simpleType base="string">
> <pattern value="([a-z]|[A-Z]){5,10}|()"/>
> </simpleType>
> </element>
A regular expression shouldn't require anything on the other side of the
'|' character there to indicate empty. I don't know enough about schemas
to know if this also requires anchoring, or if anchoring is done for
you. If it does require anchoring, then this regex will match anything
that contains 5-10 of those characters, including an 11 character string
with 10 valid characters.
Hope that helps, and hasn't just confused things for you!
--
<Matt/>
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