/// <summary>
/// Adds middleware for redirecting upper chars url Requests to lower chars url.
/// </summary>
/// <param name="app">The <see cref="IApplicationBuilder"/> instance this method extends.</param>
/// <returns>The <see cref="IApplicationBuilder"/> for ToLowerUrlRedirection.</returns>
public static IApplicationBuilder UseToLowerUrlRedirection(this IApplicationBuilder app, bool excludeQueryString = false)
{
if (app == null)
{
throw new ArgumentNullException(nameof(app));
}
var options = new RewriteOptions();
options.AddRedirectToLowerUrl(excludeQueryString);
app.UseRewriter(options);
return(app);
}