Step by step migration of ASP.NET Core 2.2 to 3.1

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In order to upgrade/migrate asp.net core version to 3.1 following steps to be perform. Download and install Visual Studio 2019 version 16.4 or higher. Download and install .NET Core 3.1  https://dotnet.microsoft.com/download/dotnet-core/3.1 Upgrade the projects of solution to .NET Core 3.1 , because ASP.NET Core 3.1 requires it. Update existing Nuget packages to a version compatible with ASP.NET Core 3.1 in each project Use IHost interface from a IHostBuilder instead of building and running a IWebHost from a IWebHostBuilder in Program.cs public static IHostBuilder CreateWebHostBuilder(string[] args) => Host.CreateDefaultBuilder(args) .ConfigureWebHostDefaults(webBuilder => { webBuilder.UseKestrel() .UseSerilog() .UseStartup<Startup>(); }) Change AddMvc method has been replaced by AddControllers in Startup.cs of each projects. In Startup.cs, UseMvc method to b
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Regular expression for validating URL in Javascript

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I was looking for a decent regular expression to validate URLs that were entered as user input with.
After lots of searching on google i got the perfect solution which satisfy my requirement of my current assignment
Following is the regular expression for validating URL (Valid URL Regular Expression) a have used which worked perfectly.

^(?:http(s)?:\/\/)?[\w.-]+(?:\.[\w\.-]+)+[\w\-\._~:/?#[\]@!\$&'\(\)\*\+,;=.]+$

Following is the pattern results for the same
  • https://www.test.com   -Passed
  • http://www.test.com   -Passed
  • www.test.com   -Passed
  • test.com   -Passed
  • http://blog.test.com   -Passed
  • http://www.test.com/product   -Passed
  • http://www.test.com/products?id=1&page=2   -Passed
  • http://www.test.com#up   -Passed
  • http://255.255.255.255   -Passed
  • 255.255.255.255   -Passed
  • http://invalid.com/perl.cgi?key= | http://web-site.com/cgi-bin/perl.cgi?key1=value1&key2   -Failed
  • http://www.site.com:8008   -Passed

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