with q as (
select '123333-01' as z from dual union all
select '232323-02' from dual union all
select '344334' from dual union all
select '434344' from dual union all
select '049494-01' from dual union all
select '545454-03' from dual union all
select '565656-110' from dual union all
select 'аввв-/1' from dual union all
select 'ииии-2' from dual union all
select 'ееее-3\1' from dual)

select q.* from q where 0 in ((length(z) - length(regexp_replace(z,'[[:alpha:]]')))
, regexp_count(z,'[[:alpha:]]')
, regexp_instr(z,'[[:alpha:]]')
, nvl(length(regexp_substr(z,'[[:alpha:]]')),0))
or not regexp_like(z,'[[:alpha:]]')