MySQL Case in Select Statement with LIKE operator

Question

Is it possible to combine the CASE statement and the LIKE operator in a MySQL SELECT statement?

For Example, I am trying to query

Answer 1

Try

SELECT
    CASE true
      WHEN digits LIKE "6901%" THEN substr(digits,4)
      WHEN digits LIKE "91%" THEN substr(digits,2)
    END as "digits",
FROM raw