diff --git a/assets/l10n/intl_en.arb b/assets/l10n/intl_en.arb
index 9c8242dd2e..e9e8796734 100644
--- a/assets/l10n/intl_en.arb
+++ b/assets/l10n/intl_en.arb
@@ -3059,5 +3059,7 @@
     "placeholders": {
       "user": {}
     }
-  }
+  },
+  "viewRoom": "View chat",
+  "joinRoomFailed": "Failed to join the room"
 }
diff --git a/lib/pages/search/public_room/empty_search_public_room_widget.dart b/lib/pages/search/public_room/empty_search_public_room_widget.dart
new file mode 100644
index 0000000000..a00ef581e1
--- /dev/null
+++ b/lib/pages/search/public_room/empty_search_public_room_widget.dart
@@ -0,0 +1,61 @@
+import 'package:fluffychat/pages/search/public_room/search_public_room_view_style.dart';
+import 'package:fluffychat/widgets/avatar/avatar.dart';
+import 'package:fluffychat/widgets/twake_components/twake_text_button.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_gen/gen_l10n/l10n.dart';
+
+class EmptySearchPublicRoomWidget extends StatelessWidget {
+  final String genericSearchTerm;
+  final VoidCallback? onTapJoin;
+
+  const EmptySearchPublicRoomWidget({
+    super.key,
+    required this.genericSearchTerm,
+    this.onTapJoin,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Padding(
+      padding: SearchPublicRoomViewStyle.paddingListItem,
+      child: Row(
+        crossAxisAlignment: CrossAxisAlignment.center,
+        children: [
+          Padding(
+            padding: SearchPublicRoomViewStyle.paddingAvatar,
+            child: Avatar(
+              name: genericSearchTerm,
+            ),
+          ),
+          Expanded(
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: [
+                Text(
+                  genericSearchTerm,
+                  overflow: TextOverflow.ellipsis,
+                  maxLines: 1,
+                  style: SearchPublicRoomViewStyle.roomNameTextStyle,
+                ),
+                const SizedBox(
+                  height: SearchPublicRoomViewStyle.nameToButtonSpace,
+                ),
+                TwakeTextButton(
+                  message: L10n.of(context)!.joinRoom,
+                  styleMessage:
+                      SearchPublicRoomViewStyle.joinButtonLabelStyle(context),
+                  paddingAll: SearchPublicRoomViewStyle.paddingButton,
+                  onTap: onTapJoin,
+                  buttonDecoration:
+                      SearchPublicRoomViewStyle.actionButtonDecoration(
+                    context,
+                  ),
+                ),
+              ],
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}
diff --git a/lib/pages/search/public_room/public_room_actions.dart b/lib/pages/search/public_room/public_room_actions.dart
new file mode 100644
index 0000000000..674c348e4f
--- /dev/null
+++ b/lib/pages/search/public_room/public_room_actions.dart
@@ -0,0 +1,26 @@
+import 'package:fluffychat/pages/search/public_room/search_public_room_view_style.dart';
+import 'package:flutter_gen/gen_l10n/l10n.dart';
+import 'package:flutter/material.dart';
+
+enum PublicRoomActions {
+  join,
+  view;
+
+  String getLabel(BuildContext context) {
+    switch (this) {
+      case PublicRoomActions.join:
+        return L10n.of(context)!.joinRoom;
+      case PublicRoomActions.view:
+        return L10n.of(context)!.viewRoom;
+    }
+  }
+
+  TextStyle? getLabelStyle(BuildContext context) {
+    switch (this) {
+      case PublicRoomActions.join:
+        return SearchPublicRoomViewStyle.joinButtonLabelStyle(context);
+      case PublicRoomActions.view:
+        return SearchPublicRoomViewStyle.viewButtonLabelStyle(context);
+    }
+  }
+}
diff --git a/lib/pages/search/public_room/search_public_room_controller.dart b/lib/pages/search/public_room/search_public_room_controller.dart
new file mode 100644
index 0000000000..d2d7bc6b19
--- /dev/null
+++ b/lib/pages/search/public_room/search_public_room_controller.dart
@@ -0,0 +1,211 @@
+import 'dart:async';
+import 'package:dartz/dartz.dart';
+import 'package:fluffychat/app_state/failure.dart';
+import 'package:fluffychat/app_state/success.dart';
+import 'package:fluffychat/di/global/get_it_initializer.dart';
+import 'package:fluffychat/domain/app_state/search/public_room_state.dart';
+import 'package:fluffychat/domain/usecase/search/public_room_interactor.dart';
+import 'package:fluffychat/pages/search/public_room/public_room_actions.dart';
+import 'package:fluffychat/pages/search/search_debouncer_mixin.dart';
+import 'package:fluffychat/presentation/model/search/public_room/presentation_search_public_room.dart';
+import 'package:fluffychat/presentation/model/search/public_room/presentation_search_public_room_empty.dart';
+import 'package:fluffychat/presentation/model/search/public_room/presentation_search_public_room_state.dart';
+import 'package:fluffychat/utils/dialog/twake_dialog.dart';
+import 'package:fluffychat/utils/platform_infos.dart';
+import 'package:fluffychat/utils/string_extension.dart';
+import 'package:fluffychat/utils/twake_snackbar.dart';
+import 'package:fluffychat/widgets/matrix.dart';
+import 'package:flutter/material.dart';
+import 'package:go_router/go_router.dart';
+import 'package:matrix/matrix.dart';
+import 'package:flutter_gen/gen_l10n/l10n.dart';
+
+class SearchPublicRoomController with SearchDebouncerMixin {
+  SearchPublicRoomController();
+
+  final PublicRoomInteractor _publicRoomInteractor =
+      getIt.get<PublicRoomInteractor>();
+
+  final searchResultsNotifier =
+      ValueNotifier<PresentationSearchPublicRoomUIState>(
+    PresentationSearchPublicRoomInitial(),
+  );
+
+  static const int _limitPublicRoomSearchFilter = 20;
+
+  PublicRoomQueryFilter? _filter;
+
+  StreamSubscription? _searchSubscription;
+
+  bool get searchTermIsNotEmpty =>
+      _filter?.genericSearchTerm?.isNotEmpty == true;
+
+  String? get genericSearchTerm => _filter?.genericSearchTerm;
+
+  void init() {
+    initializeDebouncer((keyword) {
+      _updateFilter(keyword);
+
+      if (keyword.isEmpty) return;
+
+      if (keyword.isRoomAlias()) {
+        _resetSearchResults();
+        _searchPublicRoom();
+      } else if (keyword.isRoomId()) {
+        _handleKeywordIsRoomId();
+      }
+    });
+  }
+
+  void _updateFilter(String keyword) {
+    _filter = PublicRoomQueryFilter(
+      genericSearchTerm: keyword,
+    );
+  }
+
+  void _resetSearchResults() {
+    searchResultsNotifier.value = PresentationSearchPublicRoom(
+      searchResults: [],
+    );
+  }
+
+  void _searchPublicRoom() {
+    _searchSubscription = _publicRoomInteractor
+        .execute(
+          filter: _filter,
+          limit: _limitPublicRoomSearchFilter,
+          server: getServerName(_filter?.genericSearchTerm),
+        )
+        .listen(
+          (searchResult) => _handleListenSearchPublicRoom(searchResult),
+        );
+  }
+
+  void _handleListenSearchPublicRoom(Either<Failure, Success> searchResult) {
+    searchResult.fold(
+      (failure) {
+        if (searchResultsNotifier.value.props.isNotEmpty) {
+          return;
+        } else {
+          _resetSearchResults();
+          searchResultsNotifier.value = PresentationSearchPublicRoomEmpty();
+        }
+      },
+      (success) {
+        if (!searchTermIsNotEmpty) {
+          return;
+        }
+
+        if (success is PublicRoomSuccess) {
+          if (success.publicRoomsChunk == null ||
+              success.publicRoomsChunk!.isEmpty) {
+            searchResultsNotifier.value = PresentationSearchPublicRoomEmpty();
+          } else {
+            searchResultsNotifier.value = PresentationSearchPublicRoom(
+              searchResults: success.publicRoomsChunk!,
+            );
+          }
+        }
+      },
+    );
+  }
+
+  void _handleKeywordIsRoomId() {
+    searchResultsNotifier.value = PresentationSearchPublicRoomEmpty();
+  }
+
+  void _viewRoom(BuildContext context, String roomId) {
+    context.go('/rooms/$roomId');
+    if (!PlatformInfos.isMobile) {
+      Navigator.of(context, rootNavigator: false).pop();
+    }
+  }
+
+  String? getServerName(String? roomIdOrAlias) {
+    if (roomIdOrAlias != null) {
+      return roomIdOrAlias.getServerNameFromRoomIdOrAlias();
+    }
+    return null;
+  }
+
+  void joinRoom(
+    BuildContext context,
+    String roomIdOrAlias,
+    String? server,
+  ) async {
+    final client = Matrix.of(context).client;
+    final result = await TwakeDialog.showFutureLoadingDialogFullScreen<String>(
+      future: () => client.joinRoom(
+        roomIdOrAlias,
+        serverName: server != null ? [server] : null,
+      ),
+    );
+    if (result.error == null) {
+      if (client.getRoomById(result.result!) == null) {
+        await TwakeDialog.showFutureLoadingDialogFullScreen<SyncUpdate>(
+          future: () => client.onSync.stream.firstWhere(
+            (sync) => sync.rooms?.join?.containsKey(result.result) ?? false,
+          ),
+        );
+      }
+      if (!client.getRoomById(result.result!)!.isSpace) {
+        context.go('/rooms/${result.result!}');
+      }
+    } else {
+      TwakeSnackBar.show(context, L10n.of(context)!.joinRoomFailed);
+    }
+    if (!PlatformInfos.isMobile) {
+      Navigator.of(context, rootNavigator: false).pop();
+    }
+    return;
+  }
+
+  void handlePublicRoomActions(
+    BuildContext context,
+    PublicRoomsChunk room,
+    PublicRoomActions action,
+  ) {
+    switch (action) {
+      case PublicRoomActions.join:
+        joinRoom(
+          context,
+          room.roomId,
+          getServerName(room.roomId),
+        );
+        break;
+      case PublicRoomActions.view:
+        _viewRoom(context, room.roomId);
+        break;
+    }
+  }
+
+  PublicRoomActions? getAction(
+    BuildContext context,
+    PublicRoomsChunk room,
+  ) {
+    final client = Matrix.of(context).client;
+    if (client.getRoomById(room.roomId) != null) {
+      return PublicRoomActions.view;
+    } else if (room.joinRule == 'public') {
+      return PublicRoomActions.join;
+    }
+    return null;
+  }
+
+  void onSearchBarChanged(String keyword) {
+    if (keyword.isRoomAlias() || keyword.isRoomId()) {
+      setDebouncerValue(keyword);
+    } else {
+      setDebouncerValue('');
+      _resetSearchResults();
+    }
+  }
+
+  void dispose() {
+    super.disposeDebouncer();
+    _searchSubscription?.cancel();
+    searchResultsNotifier.dispose();
+    _resetSearchResults();
+    _filter = null;
+  }
+}
diff --git a/lib/pages/search/public_room/search_public_room_view.dart b/lib/pages/search/public_room/search_public_room_view.dart
new file mode 100644
index 0000000000..6d790f6ea5
--- /dev/null
+++ b/lib/pages/search/public_room/search_public_room_view.dart
@@ -0,0 +1,114 @@
+import 'package:fluffychat/pages/search/public_room/empty_search_public_room_widget.dart';
+import 'package:fluffychat/pages/search/public_room/search_public_room_controller.dart';
+import 'package:fluffychat/pages/search/public_room/search_public_room_view_style.dart';
+import 'package:fluffychat/presentation/model/search/public_room/presentation_search_public_room.dart';
+import 'package:fluffychat/presentation/model/search/public_room/presentation_search_public_room_empty.dart';
+import 'package:fluffychat/widgets/avatar/avatar.dart';
+import 'package:fluffychat/widgets/twake_components/twake_text_button.dart';
+import 'package:flutter/material.dart' hide SearchController;
+
+class SearchPublicRoomList extends StatelessWidget {
+  final SearchPublicRoomController searchController;
+
+  const SearchPublicRoomList({
+    super.key,
+    required this.searchController,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return SliverToBoxAdapter(
+      child: ValueListenableBuilder(
+        valueListenable: searchController.searchResultsNotifier,
+        builder: (context, searchPublicRoomNotifier, child) {
+          if (searchPublicRoomNotifier is PresentationSearchPublicRoomEmpty) {
+            final genericSearchTerm = searchController.genericSearchTerm;
+            if (genericSearchTerm != null && genericSearchTerm.isNotEmpty) {
+              return EmptySearchPublicRoomWidget(
+                genericSearchTerm: genericSearchTerm,
+                onTapJoin: () => searchController.joinRoom(
+                  context,
+                  genericSearchTerm,
+                  searchController.getServerName(genericSearchTerm),
+                ),
+              );
+            }
+            return child!;
+          }
+
+          if (searchPublicRoomNotifier is PresentationSearchPublicRoom) {
+            return ListView.builder(
+              shrinkWrap: true,
+              physics: const ClampingScrollPhysics(),
+              itemCount: searchPublicRoomNotifier.searchResults.length,
+              padding: SearchPublicRoomViewStyle.paddingListItem,
+              itemBuilder: ((context, index) {
+                final room = searchPublicRoomNotifier.searchResults[index];
+                final action = searchController.getAction(context, room);
+                return Padding(
+                  padding: SearchPublicRoomViewStyle.paddingListItem,
+                  child: Row(
+                    crossAxisAlignment: CrossAxisAlignment.center,
+                    children: [
+                      Padding(
+                        padding: SearchPublicRoomViewStyle.paddingAvatar,
+                        child: Avatar(
+                          mxContent: room.avatarUrl,
+                          name: room.name,
+                        ),
+                      ),
+                      Expanded(
+                        child: Column(
+                          crossAxisAlignment: CrossAxisAlignment.start,
+                          children: [
+                            Text(
+                              room.name ?? room.roomId,
+                              overflow: TextOverflow.ellipsis,
+                              maxLines: 1,
+                              style:
+                                  SearchPublicRoomViewStyle.roomNameTextStyle,
+                            ),
+                            const SizedBox(
+                              height:
+                                  SearchPublicRoomViewStyle.nameToButtonSpace,
+                            ),
+                            Text(
+                              room.canonicalAlias ?? room.roomId,
+                              overflow: TextOverflow.ellipsis,
+                              maxLines: 1,
+                              style:
+                                  SearchPublicRoomViewStyle.roomAliasTextStyle,
+                            ),
+                          ],
+                        ),
+                      ),
+                      if (action != null)
+                        TwakeTextButton(
+                          message: action.getLabel(context),
+                          styleMessage: action.getLabelStyle(context),
+                          paddingAll: SearchPublicRoomViewStyle.paddingButton,
+                          onTap: () => searchController.handlePublicRoomActions(
+                            context,
+                            room,
+                            action,
+                          ),
+                          hoverColor: Colors.transparent,
+                          buttonDecoration:
+                              SearchPublicRoomViewStyle.actionButtonDecoration(
+                            context,
+                          ),
+                        ),
+                    ],
+                  ),
+                );
+              }),
+            );
+          }
+
+          return child!;
+        },
+        child: const SizedBox(),
+      ),
+    );
+  }
+}
diff --git a/lib/pages/search/public_room/search_public_room_view_style.dart b/lib/pages/search/public_room/search_public_room_view_style.dart
new file mode 100644
index 0000000000..5bc2b59344
--- /dev/null
+++ b/lib/pages/search/public_room/search_public_room_view_style.dart
@@ -0,0 +1,47 @@
+import 'package:flutter/material.dart';
+import 'package:google_fonts/google_fonts.dart';
+import 'package:linagora_design_flutter/colors/linagora_sys_colors.dart';
+import 'package:linagora_design_flutter/style/linagora_text_style.dart';
+
+class SearchPublicRoomViewStyle {
+  static const double nameToButtonSpace = 8.0;
+
+  static const double paddingButton = 12.0;
+
+  static const EdgeInsetsGeometry paddingListItem = EdgeInsets.all(16.0);
+
+  static const EdgeInsetsGeometry paddingAvatar = EdgeInsets.only(right: 12.0);
+
+  static TextStyle roomNameTextStyle =
+      LinagoraTextStyle.material().bodyMedium2.copyWith(
+            color: LinagoraSysColors.material().onSurface,
+            fontFamily: GoogleFonts.inter().fontFamily,
+          );
+
+  static TextStyle roomAliasTextStyle =
+      LinagoraTextStyle.material().bodyMedium3.copyWith(
+            color: LinagoraSysColors.material().onSurface,
+            fontFamily: GoogleFonts.inter().fontFamily,
+          );
+
+  static TextStyle? joinButtonLabelStyle(BuildContext context) {
+    return Theme.of(context).textTheme.labelLarge?.copyWith(
+          color: LinagoraSysColors.material().primary,
+        );
+  }
+
+  static TextStyle? viewButtonLabelStyle(BuildContext context) {
+    return Theme.of(context).textTheme.labelLarge?.copyWith(
+          color: LinagoraSysColors.material().onSurface,
+        );
+  }
+
+  static BoxDecoration actionButtonDecoration(BuildContext context) {
+    return BoxDecoration(
+      color: Theme.of(context).colorScheme.secondaryContainer,
+      borderRadius: const BorderRadius.all(
+        Radius.circular(28.0),
+      ),
+    );
+  }
+}
diff --git a/lib/pages/search/search.dart b/lib/pages/search/search.dart
index 7eedc6978a..13ad19c4d5 100644
--- a/lib/pages/search/search.dart
+++ b/lib/pages/search/search.dart
@@ -4,6 +4,7 @@ import 'package:fluffychat/app_state/success.dart';
 import 'package:fluffychat/di/global/get_it_initializer.dart';
 import 'package:fluffychat/domain/app_state/search/search_state.dart';
 import 'package:fluffychat/domain/usecase/search/pre_search_recent_contacts_interactor.dart';
+import 'package:fluffychat/pages/search/public_room/search_public_room_controller.dart';
 import 'package:fluffychat/pages/search/search_contacts_and_chats_controller.dart';
 import 'package:fluffychat/pages/search/search_view.dart';
 import 'package:fluffychat/pages/search/server_search_controller.dart';
@@ -37,6 +38,7 @@ class SearchController extends State<Search> {
 
   SearchContactsAndChatsController? searchContactAndRecentChatController;
   final serverSearchController = ServerSearchController();
+  final searchPublicRoomController = SearchPublicRoomController();
 
   final _preSearchRecentContactsInteractor =
       getIt.get<PreSearchRecentContactsInteractor>();
@@ -167,6 +169,7 @@ class SearchController extends State<Search> {
     SchedulerBinding.instance.addPostFrameCallback((_) async {
       if (mounted) {
         searchContactAndRecentChatController?.init();
+        searchPublicRoomController.init();
         serverSearchController.initSearch();
         fetchPreSearchRecentContacts();
         textEditingController.addListener(() {
@@ -179,6 +182,7 @@ class SearchController extends State<Search> {
 
   void onSearchBarChanged(String keyword) {
     searchContactAndRecentChatController?.onSearchBarChanged(keyword);
+    searchPublicRoomController.onSearchBarChanged(keyword);
     serverSearchController.onSearchBarChanged(keyword);
   }
 
@@ -197,6 +201,7 @@ class SearchController extends State<Search> {
   @override
   void dispose() {
     searchContactAndRecentChatController?.dispose();
+    searchPublicRoomController.dispose();
     serverSearchController.dispose();
     preSearchRecentContactsNotifier.dispose();
     textEditingController.dispose();
diff --git a/lib/pages/search/search_view.dart b/lib/pages/search/search_view.dart
index 1e747f7bd3..3ce364721a 100644
--- a/lib/pages/search/search_view.dart
+++ b/lib/pages/search/search_view.dart
@@ -1,4 +1,5 @@
 import 'package:fluffychat/domain/app_state/search/pre_search_state.dart';
+import 'package:fluffychat/pages/search/public_room/search_public_room_view.dart';
 import 'package:fluffychat/pages/search/recent_contacts_banner_widget.dart';
 import 'package:fluffychat/pages/search/recent_item_widget.dart';
 import 'package:fluffychat/pages/search/search.dart';
@@ -7,6 +8,8 @@ import 'package:fluffychat/pages/search/search_view_style.dart';
 import 'package:fluffychat/pages/search/server_search_view.dart';
 import 'package:fluffychat/presentation/model/search/presentation_server_side_empty_search.dart';
 import 'package:fluffychat/presentation/model/search/presentation_server_side_search.dart';
+import 'package:fluffychat/presentation/model/search/public_room/presentation_search_public_room.dart';
+import 'package:fluffychat/presentation/model/search/public_room/presentation_search_public_room_empty.dart';
 import 'package:fluffychat/widgets/twake_components/twake_icon_button.dart';
 import 'package:fluffychat/widgets/twake_components/twake_loading/center_loading_indicator.dart';
 import 'package:flutter/material.dart' hide SearchController;
@@ -66,6 +69,31 @@ class SearchView extends StatelessWidget {
           ),
           _RecentChatAndContactsHeader(searchController: searchController),
           _recentChatsWidget(),
+          ValueListenableBuilder(
+            valueListenable: searchController
+                .searchPublicRoomController.searchResultsNotifier,
+            builder: ((context, searchResults, child) {
+              if (searchResults is PresentationSearchPublicRoomEmpty) {
+                return child!;
+              }
+
+              if (searchResults is PresentationSearchPublicRoom) {
+                if (searchResults.searchResults.isEmpty) {
+                  return child!;
+                }
+                return _SearchHeader(
+                  header: L10n.of(context)!.publicRooms,
+                  searchController: searchController,
+                  needShowMore: false,
+                );
+              }
+              return child!;
+            }),
+            child: _EmptySliverBox(),
+          ),
+          SearchPublicRoomList(
+            searchController: searchController.searchPublicRoomController,
+          ),
           ValueListenableBuilder(
             valueListenable:
                 searchController.serverSearchController.searchResultsNotifier,
diff --git a/lib/presentation/model/search/public_room/presentation_search_public_room.dart b/lib/presentation/model/search/public_room/presentation_search_public_room.dart
new file mode 100644
index 0000000000..23061c563b
--- /dev/null
+++ b/lib/presentation/model/search/public_room/presentation_search_public_room.dart
@@ -0,0 +1,13 @@
+import 'package:fluffychat/presentation/model/search/public_room/presentation_search_public_room_state.dart';
+import 'package:matrix/matrix.dart';
+
+class PresentationSearchPublicRoom extends PresentationSearchPublicRoomUIState {
+  final List<PublicRoomsChunk> searchResults;
+
+  PresentationSearchPublicRoom({
+    required this.searchResults,
+  });
+
+  @override
+  List<Object> get props => [searchResults];
+}
diff --git a/lib/presentation/model/search/public_room/presentation_search_public_room_empty.dart b/lib/presentation/model/search/public_room/presentation_search_public_room_empty.dart
new file mode 100644
index 0000000000..2291d6ec54
--- /dev/null
+++ b/lib/presentation/model/search/public_room/presentation_search_public_room_empty.dart
@@ -0,0 +1,7 @@
+import 'package:fluffychat/presentation/model/search/public_room/presentation_search_public_room_state.dart';
+
+class PresentationSearchPublicRoomEmpty
+    extends PresentationSearchPublicRoomUIState {
+  @override
+  List<Object> get props => [];
+}
diff --git a/lib/presentation/model/search/public_room/presentation_search_public_room_state.dart b/lib/presentation/model/search/public_room/presentation_search_public_room_state.dart
new file mode 100644
index 0000000000..4f3c0d3769
--- /dev/null
+++ b/lib/presentation/model/search/public_room/presentation_search_public_room_state.dart
@@ -0,0 +1,9 @@
+import 'package:equatable/equatable.dart';
+
+abstract class PresentationSearchPublicRoomUIState with EquatableMixin {
+  @override
+  List<Object?> get props => [];
+}
+
+class PresentationSearchPublicRoomInitial
+    extends PresentationSearchPublicRoomUIState {}
diff --git a/lib/utils/string_extension.dart b/lib/utils/string_extension.dart
index c688a6d20e..248aad2468 100644
--- a/lib/utils/string_extension.dart
+++ b/lib/utils/string_extension.dart
@@ -373,4 +373,28 @@ extension StringCasingExtension on String {
     final match = regex.firstMatch(this);
     return match?.group(1);
   }
+
+  bool isRoomAlias() {
+    final regExp = RegExp(
+      r'^#[^:]+:(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}|\[[0-9A-Fa-f:.]{2,45}\]|[0-9A-Za-z-.]{1,255})(:\d{1,5})?$',
+    );
+    final result = regExp.hasMatch(trim());
+    return result;
+  }
+
+  String? getServerNameFromRoomIdOrAlias() {
+    final parts = split(':');
+    if (parts.length > 1) {
+      return parts[1];
+    }
+    return null;
+  }
+
+  bool isRoomId() {
+    final regExp = RegExp(
+      r'^![^:]+:(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}|\[[0-9A-Fa-f:.]{2,45}\]|[0-9A-Za-z-.]{1,255})(:\d{1,5})?$',
+    );
+    final result = regExp.hasMatch(trim());
+    return result;
+  }
 }
diff --git a/test/utils/string_extension_test.dart b/test/utils/string_extension_test.dart
index d37b6f8164..719d9a9305 100644
--- a/test/utils/string_extension_test.dart
+++ b/test/utils/string_extension_test.dart
@@ -377,4 +377,57 @@ void main() {
       expect('<a href="https://example.com"></a>'.extractInnerText(), isEmpty);
     });
   });
+
+  group('[isRoomAlias TEST]', () {
+    final testMap = <String, bool>{
+      '#room:server.com': true,
+      '#room:192.168.1.1': true,
+      '#room:[2001:db8:85a3:8d3:1319:8a2e:370:7348]': true,
+      '#room:example.com:8080': true,
+      '!room:server.com': false,
+      'room:server.com': false,
+      '': false,
+    };
+
+    for (final entry in testMap.entries) {
+      test('Testing: ${entry.key} => Expected: ${entry.value}', () {
+        final result = entry.key.isRoomAlias();
+        expect(result, entry.value);
+      });
+    }
+  });
+
+  group('[getServerNameFromRoomAlias] TEST', () {
+    final testMap = <String, String?>{
+      '#room:server.com': 'server.com',
+      '#room:domain.com:': 'domain.com',
+      '': null,
+    };
+
+    for (final entry in testMap.entries) {
+      test('Testing: ${entry.key} => Expected: ${entry.value}', () {
+        final result = entry.key.getServerNameFromRoomIdOrAlias();
+        expect(result, equals(entry.value));
+      });
+    }
+  });
+
+  group('[isRoomId TEST]', () {
+    final testMap = <String, bool>{
+      '!room:server.com': true,
+      '!room:192.168.1.1': true,
+      '!room:[2001:db8:85a3:8d3:1319:8a2e:370:7348]': true,
+      '!room:example.com:8080': true,
+      '#room:server.com': false,
+      'room:server.com': false,
+      '': false,
+    };
+
+    for (final entry in testMap.entries) {
+      test('Testing: ${entry.key} => Expected: ${entry.value}', () {
+        final result = entry.key.isRoomId();
+        expect(result, entry.value);
+      });
+    }
+  });
 }