Variable selection options accept a list of variables separated by , or ; and will match if any selection in the list applies. The individual selections can themselves be regular expressions that match more than a single variable.

Simple variable
--switch=BsG_S11
--switch=Bs[BGR]_S11
Multiple expressions
--switch=BsB_S11,BsG_S11
--switch=::BsB_S11:pm1,::BsG_S11:pm10