C# example to get sub domain from url.

C# example to generate string hash(string encryption) using SHA256Managed class

Example for finding a user email address by user name in asp.net Membership.

Simple C# function to validate email address using regular expression.

C# function to validate host name using regular expressions.

Easy regular expression based IP address validation functions to validate IPV4 and IPV6 address string.

C# function to generate random password. You can customize this as per your need.

In asp.net all resources are kept in App_GlobalResources folder in .resx files. We can get resource using classkey, resourceKey and culture.