select regexp_substr('A,B,C,D,E', '[^,]+', 1, level, 'i') as str
from dual
connect by level <=
length('A,B,C,D,E') - length(regexp_replace('A,B,C,D,E', ',', '')) + 1;
select regexp_substr('A,B,C,D,E', '[^,]+', 1, level, 'i') as str
from dual
connect by level <=
length('A,B,C,D,E') - length(regexp_replace('A,B,C,D,E', ',', '')) + 1;