Extension Method to walk all views in all lists and expand PascalCase view names. E.g. expand "AllItems" to "All Items" in order to keep the %20 chars out of the Url

SplitPascalCaseVIewNames

 public static partial class WebExtensions
    {
        public static void SplitPascalCasedViewNames(this Web web)
        {
            ListCollection projectLists = web.Lists;
            web.Context.Load(projectLists);
            web.Context.ExecuteQuery();
            foreach (List list in projectLists)
            {
                ViewCollection listViews = list.Views;
                web.Context.Load(listViews);
                web.Context.ExecuteQuery();
                foreach (View view in listViews)
                {
                    string viewDisplayName = view.Title;
                    string newViewName = System.Text.RegularExpressions.Regex.Replace(
                        viewDisplayName,
                        "([A-Z])",
                        " $1",
                        System.Text.RegularExpressions.RegexOptions.Compiled).Trim();
                    view.Title = newViewName;
                    view.Update();
                    web.Context.ExecuteQuery();
                    Log.Info("TWExtranetProvisioning", "Changed {0} list view from {1} to {2}.", list.Title, viewDisplayName, newViewName);
                }
            }
        }
    }