how would i add more groups?

($sring[usergroupid] == 6)

how would i add more groups to that? i want to add groups 5,7,11

thanks

[amykhar]

use the OR modifier. ($sring[usergroupid] == 6) or ($sring[usergroupid] == 5)or ($sring[usergroupid] == 7) or ($sring[usergroupid] == 11)