jmservic Jservice.Packt.CSdotnet.SharedLibrary by: jmservic .NET Standard 2.0 This package targets .NET Standard 2.0. The package is compatible with this framework or higher. 413 total downloads last updated 7/14/2025 Latest version: 9.0.0.1 string extensions packt csharp dotnet Three extension methods to validate a string value.