c# string right extension
public static partial class Extensions
{
/// <summary>
/// A string extension method that return the right part of the string.
/// </summary>
/// <param name="this">The @this to act on.</param>
/// <param name="length">The length.</param>
/// <returns>The right part.</returns>
public static string Right(this string @this, int length)
{
return @this.Substring(@this.Length - length);
}
}