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. Upgrade netcore projects as net5
Describe the solution you'd like Update netcore projects ( tests ) as net5 projects, plus update azure-pipelines to be able to use net5