$DB_name =~ /[ISWLIVE ISWTEST ISWTEACH]/ #### $DB_name =~ /(ISWLIVE|ISWTEST|ISWTEACH)/ #### each %$DB_name #### $HREF = eval "\\\%$DB_name"; ... if ($HREF->{key} ...)
## $DB_name =~ /(ISWLIVE|ISWTEST|ISWTEACH)/ ##
## each %$DB_name ##
## $HREF = eval "\\\%$DB_name"; ... if ($HREF->{key} ...)