How to extract string with delimiter

Hello all,
I'm using Oracle 10g and want to extract string with a delimiter.
For example, i have aaaa;;bbbb;cccc;dddd;eeee;ffff and i want to extract this string into separates strings 'aaaa', ' ', 'bbbb', 'cccc', 'dddd', 'eeee', 'ffff'.
Thanks a lots for yours help.
MK.

I prefer the regular expression method myself...
SQL> ed
Wrote file afiedt.buf
1 with t as (select 'aaaa;;bbbb;cccc;dddd;eeee;ffff' as txt from dual)
2 -- end of sample data
3 select REGEXP_SUBSTR (txt, '[^;]+', 1, level)
4 from t
5* connect by level <= (select length(regexp_replace(txt,'[^;]*'))+1 from t)
SQL> /
REGEXP_SUBSTR(TXT,'[^;]+',1,LE
aaaa
bbbb
cccc
dddd
eeee
ffff
7 rows selected.
SQL>

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