WITH t AS
(
SELECT 1 no, 'AA00 = AAB9 and DJ00 = DJ01' usage FROM dual
UNION ALL SELECT 2, '(16-18 = A07 and HK00 = HK03 AND PZ00 = PZ06 AND MG00 = MG42)' FROM dual
UNION ALL SELECT 3, '(TEST_BASE_MODEL = TS1ED1985151 OR TEST_BASE_MODEL = TS1EE0485151)' FROM dual
)
SELECT no
, usage
, REGEXP_REPLACE(usage, '[^ =(]+ = ') x
FROM t
;
역시 마농님. 감사합니다.