>>-SPACE(string--+--------------------+--)---------------------><
+-,--+---+--+------+-+
+-n-+ +-,pad-+
0, all whitespace characters are removed. Leading and trailing whitespace characters are always removed. The default for n is 1, and the default pad character is a blank.
Example 7.73. Builtin function SPACE
SPACE("abc def ") -> "abc def"
SPACE(" abc def",3) -> "abc def"
SPACE("abc def ",1) -> "abc def"
SPACE("abc def ",0) -> "abcdef"
SPACE("abc def ",2,"+") -> "abc++def"