convert title into slug directly in the mySQL 8

SlugifyTitle.sql

DELIMITER //
CREATE FUNCTION SlugifyTitle(title VARCHAR(255), sep CHAR(1))
RETURNS VARCHAR(255)
BEGIN
       
        SET title = REPLACE(CONVERT(title USING utf8mb4),'š', 's');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'Đ', 'Dj');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'đ', 'dj');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'Ž', 'Z');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'ž', 'z');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'Č', 'C');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'č', 'c');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'Ć', 'C');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'ć', 'c');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'À', 'A');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'Á', 'A');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'Â', 'A');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'Ã', 'A');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'Ä', 'A');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'Å', 'A');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'Æ', 'A');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'Ç', 'C');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'È', 'E');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'É', 'E');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'Ê', 'E');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'Ë', 'E');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'Ì', 'I');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'Í', 'I');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'Î', 'I');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'Ï', 'I');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'Ñ', 'N');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'Ò', 'O');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'Ó', 'O');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'Ô', 'O');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'Õ', 'O');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'Ö', 'O');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'Ø', 'O');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'Ù', 'U');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'Ú', 'U');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'Û', 'U');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'Ü', 'U');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'Ý', 'Y');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'Þ', 'B');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'ß', 'Ss');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'à', 'a');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'á', 'a');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'â', 'a');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'ã', 'a');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'ä', 'a');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'å', 'a');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'æ', 'a');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'ç', 'c');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'è', 'e');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'é', 'e');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'ê', 'e');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'ë', 'e');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'ì', 'i');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'í', 'i');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'î', 'i');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'ï', 'i');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'ð', 'o');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'ñ', 'n');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'ò', 'o');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'ó', 'o');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'ô', 'o');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'õ', 'o');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'ö', 'o');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'ø', 'o');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'ù', 'u');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'ú', 'u');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'û', 'u');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'ý', 'y');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'ý', 'y');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'þ', 'b');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'ÿ', 'y');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'Ŕ', 'R');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'ŕ', 'r');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'/', '-');
        SET title = REPLACE(CONVERT(title USING utf8mb4),' ', '-');
        SET title = REPLACE(CONVERT(title USING utf8mb4),',', '-');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'.', '-');
        SET title = REPLACE(CONVERT(title USING utf8mb4),"'", '-');
        SET title = REPLACE(CONVERT(title USING utf8mb4),';', '');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'"', '');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'!', '');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'?', '');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'º', 'o');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'ª', 'a');
        SET title = REPLACE(CONVERT(title USING utf8mb4),"'", '');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'(', '');
        SET title = REPLACE(CONVERT(title USING utf8mb4),')', '');
--         SET title = REPLACE(CONVERT(title USING utf8mb4),'R$', 'real');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'$', 'usd');       
        SET title = REPLACE(CONVERT(title USING utf8mb4),'|', '');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'%', '');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'¨', '');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'&', '');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'*', '');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'@', '');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'=', '');
        SET title = REPLACE(CONVERT(title USING utf8mb4),'+', '');

    
    
   
    -- Remover caracteres não permitidos
    SET title = REGEXP_REPLACE(title, '[^ -~]', '');

    -- Substituir separadores e caracteres especiais por sep
    SET title = REGEXP_REPLACE(title, '[-_]+', sep);
    
    -- Verificar se o título resultante é apenas um hífen
   -- Verificar se o título resultante é apenas um hífen
IF title = '-' AND title NOT REGEXP '^[0-9]+(\\.[0-9]+)?$' THEN
    SET title = '0';
END IF;


    -- Remover espaços e separadores extras
    SET title = REGEXP_REPLACE(title, CONCAT('[\\s' , sep , '&&[^0]]+'), sep);


    -- Remover separadores no início ou final
    SET title = TRIM(BOTH sep FROM title);

    RETURN LOWER(title);
END;
//
DELIMITER ;