Adding EmailExcludePattern config

Lombiq.Hosting.Tenants.Maintenance/Maintenance/ChangeUserSensitiveContent/ChangeUserSensitiveContentMaintenanceOptions.cs

@@ -4,4 +4,5 @@ public class ChangeUserSensitiveContentMaintenanceOptions
 {
     public bool IsEnabled { get; set; }
     public string TenantNames { get; set; }
+    public string EmailExcludePattern { get; set; } = "[email protected]$";
 }

Lombiq.Hosting.Tenants.Maintenance/Maintenance/ChangeUserSensitiveContent/ChangeUserSensitiveContentMaintenanceProvider.cs

@@ -9,6 +9,7 @@
 using RandomNameGeneratorLibrary;
 using System;
 using System.Linq;
+using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 using YesSql;
 using static Lombiq.HelpfulLibraries.OrchardCore.Users.PasswordHelper;
@@ -49,7 +50,7 @@ public override async Task ExecuteAsync(MaintenanceTaskExecutionContext context)
 
         var users = await _session.Query<User>().ListAsync();
         foreach (var user in users.Where(user =>
-            !user.Email.Trim().EndsWith($"@lombiq.com", StringComparison.InvariantCulture)))
+            !Regex.IsMatch(user.Email.Trim(), _options.Value.EmailExcludePattern, RegexOptions.None, TimeSpan.FromMilliseconds(400))))
         {
             var firstName = randomNameGenerator.GenerateRandomFirstName();
             var lastName = randomNameGenerator.GenerateRandomLastName();

Lombiq.Hosting.Tenants.Maintenance/Readme.md

@@ -145,9 +145,12 @@ The following configuration should be used to allow the maintenance to run:
     "Lombiq_Hosting_Tenants_Maintenance": {
       "ChangeUserSensitiveContent": {
         "IsEnabled": true,
-        "TenantNames": "Default, Tenant1, Tenant2"
+        "TenantNames": "Default, Tenant1, Tenant2",
+        "EmailExcludePattern": ".+@(lombiq.com|example.com)$"
       }
     }
   }
 }
 ```
+
+Any user accounts with an e-mail matching the `EmailExcludePattern` regex will not be depersonalized.