MySQL Second (or third) Index Of in String

Question

What would be the simplest way to locate the index of the third space in a string.

My goal is to get CCC out of this space separated list: AAAA BB

Answer 1

DROP FUNCTION IF EXISTS `Find_string_by_position`$$

CREATE DEFINER=`root`@`localhost` FUNCTION
`Find_string_by_position`(str VARCHAR(255), delimeter VARCHAR(255),pos INT(2)) RETURNS VARCHAR(255) CHARSET utf8mb4 BEGIN
       DECLARE s VARCHAR(255);  
       DECLARE d VARCHAR(255); 
       DECLARE p INT DEFAULT 1;
       DECLARE val VARCHAR(255);


       SET s = LCASE(str); 
       SET d = delimeter;
       SET p = pos;
       SELECT SUBSTRING_INDEX(SUBSTRING_INDEX(s,d,p),d,-1) INTO @val; 

       RETURN @val;  

   END$$

DELIMITER ;