[ASP.NET 3.5][C#] SOS ~ Where is wrong about password strength regular expressions ?

[ASP.NET 3.5][C#] SOS ~ Where is wrong about password strength regular expressions ?

Password conditions
At least one capital
At least one English lowercase
At least one digital
Capital only, English lowercase, numbers

web.config

    <membership>
      <providers>
        <remove name="AspNetSqlMembershipProvider" />
        <add name="AspNetSqlMembershipProvider"
            type="System.Web.Security.SqlMembershipProvider, System.Web, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"
            connectionStringName="LocalSqlServer"
            enablePa ...