How to Use Google Data Studio to Build Better Dashboards | CXL

Sun Jul 25 2021 10:47:21 GMT+0000 (Coordinated Universal Time)

Saved by @admariner

CASE
  WHEN REGEXP_MATCH(Source, '.*facebook.*') THEN 'facebook.com'
  WHEN REGEXP_MATCH(Source, '.*instagram.*') THEN 'facebook.com'
ELSE
  Source
END