Defines which character will be used as space in the filters which will be
applied after this filter. The character will be used also to seperate filename
When "Replace ..."
is checked, all the appearances of the character /
string to be replaced will be replaced with the selected character.
Default space char is space.
Space char is "Underscore ( _ )".
Gone With The Wind.avi >>>
(Next filters will use underscore to seperate words and therefore be able to
find the words Gone, With, The, Wind