#ONINPUT "Arties" {^artie(wear|unwear)(?:(?<=unwear) (drop|give)(?:(?<=give)(?: to|)( \w+)|)|)(?: (?<!unwear)(get)|)$} {#sub {}
#loopdb @artefacts {#if (%lower( %4)=get) {%4 %key}
#if %val=1 {%1 %key};#if (%lower( %2)=give and %3!=%null or %lower( %2)=drop) {%2 %key to %3}}
#alarm +0:0:0.5 {#echo ""
#echo ""
#loopdb @artefacts {#if %val=1 {#echop wear %key"~~; "}}}
} "" {prompt|regex}



-=======++++++========_
PATTERN:
^artie(wear|unwear)(?:(?<=unwear) (drop|give)(?:(?<=give)(?: to|)( \w+)|)|)(?: (?<!unwear)(get)|)$

SCRIPT:
#sub {}
#loopdb @artefacts {
  #if (%lower( %4)=get) {%4 %key}
  #if %val=1 {%1 %key}
  #if (%lower( %2)=give and %3!=%null or %lower( %2)=drop) {%2 %key to %3}
  }
#alarm +0:0:0.5 {
  #echo ""
  #echo ""
  #loopdb @artefacts {#if %val=1 {#echop wear %key"~~; "}}
  }
#noop

What this does: "Artiewear" "artiewear get" "artieunwear" "artieunwear drop" "artieunwear give (to) person". In zmud, this works fine, since %2, %3, and %4 are allowed to be null. In MUSH, there is no way to do this... if they are null, you get errors.