Unless you have nothing but contempt for users of password managers, do not do this. Ever. Period.
While I'm at it, don't enforce arbitrary whitelisting/blacklisting of special characters, and if you're going to enforce a max-length make it at least 32 chars.
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Unless you have nothing but contempt for users of password managers, do not do this. Ever. Period.
While I'm at it, don't enforce arbitrary whitelisting/blacklisting of special characters, and if you're going to enforce a max-length make it at least 32 chars.