update request {
	&Tmp-String-0 := 'foo'
}

switch "%{tolower:%{request:Tmp-String-0}}" {
	case 'foo' {
		update reply {
			Filter-Id := "filter"
		}
	}

	case '' {
		update reply {
			Filter-Id += "fail-empty-1"
		}
	}

	case {
		update reply {
			Filter-Id += "fail-default-1"
		}
	}
}

switch "%{request:Tmp-String-0}" {
	case 'foo' {
		update reply {
			Filter-Id := "filter"
		}
	}

	case '' {
		update reply {
			Filter-Id += "fail-empty-2"
		}
	}

	case {
		update reply {
			Filter-Id += "fail-default-2"
		}
	}
}