npennisi Packt.CSdotnet.SharedLibrary.Npennisi by: npennisi .NET Standard 2.0 This package targets .NET Standard 2.0. The package is compatible with this framework or higher. 684 total downloads last updated 2/26/2021 Latest version: 5.0.0.1 string extensions packt csharp net5 Three extension methods to validate a string value.