This line enable the ASP Javascript validators in IE9 and upper. the user agent the IE10 is "Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0)".
<!-- MSIE, Netscape 4.0, Opera -->
<except positions="13-28" match="ActiveTouristBot"/>
</group>
-
+ <!-- IE9 or newer -->
+ <group positions="7-10" match="/5.0" javascript="true">
+ <!-- MSIE 10, MSIE 11 -->
+ <except positions="13-28" match="ActiveTouristBot"/>
+ </group>
<group scanfrom="12" skip="4" match=") Gecko/" javascript="true">
<!-- All the Gecko-based browsers -->
</group>