how to write the regular expression for the following details?

[rfkneo]

How do I write a regular expression which should allow only \[code\][]\[/code\], \[code\]'\[/code\], \[code\]/\[/code\],\[code\]\\[/code\], \[code\]space\[/code\], \[code\]+\[/code\],\[code\]-\[/code\],\[code\]*\[/code\],\[code\]()\[/code\],\[code\]{}\[/code\],\[code\]&\[/code\],\[code\]^\[/code\] and \[code\]@\[/code\]?i want regular expression which work in dotnet.Please help me?