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19 beta 3
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2024.2 LTS
2025.2 LTS
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with t (col) as ( select 'Abc' from dual union all -- ok select '123' from dual union all -- ok select 'A123' from dual union all -- смесь латинские и цифры select 'abcÜ' from dual union all -- символ латинский, но не английский select 'ab c' from dual union all -- пробел select 'Аbc' from dual -- русский символ А ) select col, case when regexp_like (col, '^([A-Za-z]+|[0-9]+)$') then 'yes' else 'no' end matched from t
COL
MATCHED
Abc
yes
123
yes
A123
no
abcÜ
no
ab c
no
Аbc
no