passwordStrengthRegularExpression : how to include meta characters in web.config

Hi All,
I am using MembershipProvider to validate the password typed by user.
I have requirement to allow following metachracters in  password.
!@#$%^&*()_+|~-=\`{}[]:";'<>?,./

As of now, I am able to give few characters in passwordStrengthRegularExpression.
But I am unable to add few characters in which case the config file gives build errors.
PFB code snippet from my web.config ;-   
<membership defaultProvider="SEZOnlineMembershipProvider" userIsOnlineTimeWindow="1">
<providers>
<clear />
<add type="System.Web.Security.SqlMembershipProvider" passwordFormat ="Clear" maxInvalidPass ...