Excel → T-SQL › FIND
Excel FIND to CHARINDEX
FIND("@" , A2) is CHARINDEX('@', email). SQL returns 0 when it is missing.
CHARINDEX('@', email) -- 0 if missing
Excel #VALUE! on a miss. SQL 0. Wrap with NULLIF(..., 0) if you want NULL.
Canonical translation
CHARINDEX('@', email) -- 0 if missing
Then write it on a ticket
Monday is free. A colleague asks, you type, we mark it.
Clock in free