--><!--
--><!-- start displaying
--><!--
--><!-- show era if necessary
-->{{#ifeq: {{{showera|}}}|yes|{{#ifeq: {{{showcaptions|yes}}}|yes|''Era:'' |}}{{{field|{{{property|}}} Era|input type=dropdown|values=BCE,CE{{#ifeq:{{{adddefault|}}}|yes||default=CE|}}{{#var:varMandatoryYear}}}}}|}}<!-- --><!-- --><!-- build the regular expression for the year field-->{{#if: {{#var: varMandatoryYear}}<!--
-->|{{#vardefine: varRegexp|/^\d{4}$/}}<!-- 4 digits only
-->|{{#vardefine: varRegexp|/^\d{4}$!^$/}}<!-- allow blanks
--><!--
--><!--
--></includeonly>