acastorina.dev Packt.CSdotnet.SharedLibrary.AZ by: acastorina.dev .NET Standard 2.0 This package targets .NET Standard 2.0. The package is compatible with this framework or higher. 220 total downloads last updated 9/30/2025 Latest version: 9.0.0 string extensions packt csharp dotnet Three extension methods to validate string value