Oracle PL/SQL : remove “space characters” from a string

Question

In my Oracle 10g database I would like to remove \"space characters\" (spaces, tabs, carriage returns...) from the values of a table field.

Is TRANSLATE() t

Answer 1

select regexp_replace('This is a test   ' || chr(9) || ' foo ', '[[:space:]]', '') from dual;

REGEXP_REPLACE
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Thisisatestfoo