valuePattern takes Text values, not Number.

Fix for #231, thanks, Holger!

data/schema.rdfa

@@ -10205,7 +10205,7 @@ postponing for 1.6.
       <span class="h" property="rdfs:label">valuePattern</span>
       <span property="rdfs:comment">Specifies a regular expression for testing literal values according to the HTML spec.</span>
       <span>Domain: <a property="http://schema.org/domainIncludes" href="http://schema.org/PropertyValueSpecification">PropertyValueSpecification</a></span>
-      <span>Range: <a property="http://schema.org/rangeIncludes" href="http://schema.org/Number">Number</a></span>
+      <span>Range: <a property="http://schema.org/rangeIncludes" href="http://schema.org/Text">Text</a></span>
     </div>
 
     <!-- note: see also minValue, maxValue which are defined elsewhere and shared with other schema structures. -->