container/tester/web/SSIConditional04.shtml

<!--#set var="test1" value="not one" -->
<!--#set var="test2" value="two" -->
<!--#set var="test3" value="three" -->
<!--#if expr="\"$test1\" = \"one\" && \"$test2\" = \"two\" || \"$test3\" = \"three\"" -->
true
<!--#else -->
false
<!--#endif -->