password againg and other policy enforcement

I have some question about password policy in FreeBSD:

1. Administrator can enforce password expire in /etc/login.conf
Is there any tool that can check when the password will expire for the
users?

2. Any good way to enforce minimum password length and other
restriction(like password need at least 2 numbers, 2 special char)?

3. Any ways to prevent user reuse old password?

Regards
Patrick

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