Anton Pollak pollax

## Startup.cs
public void ConfigureServices(IServiceCollection services)
{
  // (Rest of code removed)

  // Note the + added to the string of allowed user name characters
  services.AddIdentity<ApplicationUser, IdentityRole>(o => o.User.AllowedUserNameCharacters = @"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789 -._@+")
    .AddEntityFrameworkStores<ApplicationDbContext>()
    .AddDefaultTokenProviders();
}
	public void ConfigureServices(IServiceCollection services)
	{
	// (Rest of code removed)

	// Note the + added to the string of allowed user name characters
	services.AddIdentity<ApplicationUser, IdentityRole>(o => o.User.AllowedUserNameCharacters = @"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789 -._@+")
	.AddEntityFrameworkStores<ApplicationDbContext>()
	.AddDefaultTokenProviders();
	}