sql Oracle正则表达式

Posted 2021-05-13

with data as (
  select 'E121212' s from dual union all
  select '121212' from dual union all
  select 'EE121212' from dual union all
  select 'EE1212EE' from dual union all
  select 'É121212' s from dual
)
 
select
*
from data
where
regexp_like (s, '^[A-Z]\d+$')

S 
E121212 

select
*
from data
where
regexp_like (s, '^[[:alpha:]]\d+$')

S 
E121212 
É121212