SQL: Is it possible to 'group by' according to 'like' function's results?

Question

I am using Oracle SQL and I want to group some different rows that \'like\' function results. To elaborate with an example:

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Let\'s assume I have a table MESA w

Answer 1

Something like this?

SELECT Fruit,
      SUM(counter)
 FROM ( SELECT CASE 
                   WHEN m.str LIKE '%APPLE%'
                       THEN 'APPLE'
                   ELSE 'ORANGE'
               END AS Fruit
               COUNT(*) AS counter
          FROM MESA m 
         WHERE m.str LIKE '%FRUIT%' 
           AND (m.str LIKE '%APPLE%' OR m.str LIKE '%ORANGE%')
         GROUP BY m.str
      )
GROUP BY Fruit