Shamelessly copying @bricelam in https://github.com/dotnet/efcore/pull/29781. At least the PG [regex expression has a negated mode](https://www.postgresql.org/docs/current/functions-matching.html#FUNCTIONS-POSIX-REGEXP), go over the other expressions we support.
Shamelessly copying @bricelam in dotnet/efcore#29781.
At least the PG regex expression has a negated mode, go over the other expressions we support.