with tmp_t as(
select 1 as id,'測試4321_CS' as name from dual union all
select 2,'測試 1200(測試版)' from dual union all
select 3,'測試123(測試版)' from dual union all
select 4,'測試 1212(D2)' from dual union all
select 5,'測試 1212(D2)測試版' from dual union all
select 6,'測試 123' from dual)
select *
from tmp_t
where instr(name, '_CS') = 0
and regexp_instr(name, '(.*)') = 0
and regexp_instr(name, '\(.*\)') = 0