Engine as validator, formatter of European Postal Codes and or International Bank Accounts Numbers ( IBAN, ) It's fast, it's simple and it works ( based on regular expressions and C#, NET Standard 2.1 ) Easy extendable, deployed as separate nuget-packages.
Is your feature request related to a problem? Please describe. .NET 5.0 will reach end of support on May 08, 2022.
Describe the solution you'd like Easy fix, just update the project files using .NET 5.0 to 6.0
Additional context Upgrade .NET Standard 2.1 project files also as .NET 6.0?