Great question about pattern matching in SQL Server. Here's what I'd recommend:

For basic email validation, this pattern works well:

SELECT *

FROM users

WHERE email LIKE '%@%.%'

AND email NOT LIKE '%@%@%'

AND email NOT...

Great question about pattern matching in SQL Server. Here's what I'd recommend:

For basic email validation, this pattern works well:

SELECT *

FROM users

WHERE email LIKE '%@%.%'

AND email NOT LIKE '%@%@%'

AND email NOT...