How to use logical or in NSIS?

For example if I want to use the statement like,
${If} $0 == "test1" || $0 == "test2" || $0 == "test3"
...
${EndIf}

The statement above won't work. So how to make it work? Thanks.

${OrIf}

Originally Posted by 820815 View Post

${OrIf}

Thanks a lot!