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SELECT REGEXP_SUBSTR ('test1' || CHR(9) || 'test2' || CHR(9) || 'test3', '[^' || CHR(9) || ']+', 1, 1) field1, REGEXP_SUBSTR ('test1' || CHR(9) || 'test2' || CHR(9) || 'test3', '[^' || CHR(9) || ']+', 1, 2) field2, REGEXP_SUBSTR ('test1' || CHR(9) || 'test2' || CHR(9) || 'test3', '[^' || CHR(9) || ']+', 1, 3) field3 FROM DUAL
FIELD1
FIELD2
FIELD3
test1
test2
test3
SELECT REGEXP_SUBSTR ('aaatbbb\ccc', '[^\t]+', 1, 1) field1, REGEXP_SUBSTR ('aaatbbb\ccc', '[^\t]+', 1, 2) field2, REGEXP_SUBSTR ('aaatbbb\ccc', '[^\t]+', 1, 3) field3 FROM DUAL
FIELD1
FIELD2
FIELD3
aaa
bbb
ccc