I was very disappoint to learn that '&}Ak'>v=4%Qe}9;' is not actually hello world in perl :(

here's an actual one: print'(%,,/@(/),$!'^'`@@@@`_@[@@+'

another one

    $/=~s##'&}(/%]?`~=.&~(@^,_!$/"'^'+.{|}!_{.|=.^_/,@;'^'}!:=,^(~<-|$'#ee