Creating a function to remove - from uuid

Good evening,
Ive been playing around with a function, which removes the - from the uuid() statment.

delimiter //
CREATE FUNCTION uuid2()
RETURNS STRING
DETERMINISTIC
BEGIN
DECLARE strUUID STRING;
SET strUUID = REPLACE(uuid(),"-","");
return strUUID;
END//
delimiter ;

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And then call it like

select uuid2();

However everytime I try the above code I get an error similar to:-

ERROR: Unknown Punctuation String @ 11
STR: //
SQL: delimiter //

Any suggestions on what Ive messed up with would be appriciated!

Thank you


Select uuid2();