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

Shorter version of:

REGEXP_REPLACE( my_value, '[[:space:]]', '' )

Would be:

REGEXP_REPLACE( my_value, '\s')

Neither of the above statements will remove "null" characters.

To remove "nulls" encase the statement with a replace

Like so:

REPLACE(REGEXP_REPLACE( my_value, '\s'), CHR(0))