diff --git a/docs/backend-system/architecture/08-naming-patterns.md b/docs/backend-system/architecture/08-naming-patterns.md
index 990cc62b70..b06d52c287 100644
--- a/docs/backend-system/architecture/08-naming-patterns.md
+++ b/docs/backend-system/architecture/08-naming-patterns.md
@@ -11,10 +11,10 @@ As a rule, all names should be camel case, with the exceptions of plugin and mod
 
 ### Plugins
 
-| Description | Pattern           | Examples                              | Notes                                                                 |
-| ----------- | ----------------- | ------------------------------------- | --------------------------------------------------------------------- |
-| export      | `<camelId>Plugin` | `catalogPlugin`, `userSettingsPlugin` |                                                                       |
-| ID          | `'<kebab-id>'`    | `'catalog'`, `'user-settings'`        | letters, digits, dashes, and underscores only, starting with a letter |
+| Description | Pattern           | Examples                              | Notes                                              |
+| ----------- | ----------------- | ------------------------------------- | -------------------------------------------------- |
+| export      | `<camelId>Plugin` | `catalogPlugin`, `userSettingsPlugin` |                                                    |
+| ID          | `'<kebab-id>'`    | `'catalog'`, `'user-settings'`        | letters, digits,and dashes, starting with a letter |
 
 Example:
 
@@ -27,10 +27,10 @@ export const userSettingsPlugin = createBackendPlugin({
 
 ### Modules
 
-| Description | Pattern                      | Examples                            | Notes                                                                 |
-| ----------- | ---------------------------- | ----------------------------------- | --------------------------------------------------------------------- |
-| export      | `<pluginId>Module<ModuleId>` | `catalogModuleGithubEntityProvider` |                                                                       |
-| ID          | `'<module-id>'`              | `'github-entity-provider'`          | letters, digits, dashes, and underscores only, starting with a letter |
+| Description | Pattern                      | Examples                            | Notes                                               |
+| ----------- | ---------------------------- | ----------------------------------- | --------------------------------------------------- |
+| export      | `<pluginId>Module<ModuleId>` | `catalogModuleGithubEntityProvider` |                                                     |
+| ID          | `'<module-id>'`              | `'github-entity-provider'`          | letters, digits, and dashes, starting with a letter |
 
 Example:
 
diff --git a/packages/backend-plugin-api/src/wiring/constants.ts b/packages/backend-plugin-api/src/wiring/constants.ts
new file mode 100644
index 0000000000..b5463d10da
--- /dev/null
+++ b/packages/backend-plugin-api/src/wiring/constants.ts
@@ -0,0 +1,28 @@
+/*
+ * Copyright 2025 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * The pattern that IDs must match.
+ *
+ * @remarks
+ * ids must only contain the letters `a` through `z` and digits, in groups separated by
+ * dashes. Additionally, the very first character of each such group
+ * must be a letter, not a digit
+ *
+ * @public
+ */
+export const ID_PATTERN = /^[a-z][a-z0-9]*(?:-[a-z0-9]+)*$/i;
+export const ID_PATTERN_OLD = /^[a-z][a-z0-9]*(?:[-_][a-z0-9]+)*$/i;
diff --git a/packages/backend-plugin-api/src/wiring/createBackendModule.ts b/packages/backend-plugin-api/src/wiring/createBackendModule.ts
index 9d064d3b0d..f65e11acae 100644
--- a/packages/backend-plugin-api/src/wiring/createBackendModule.ts
+++ b/packages/backend-plugin-api/src/wiring/createBackendModule.ts
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-import { CONFIG_KEY_PART_PATTERN } from '@backstage/config';
 import { BackendFeature } from '../types';
+import { ID_PATTERN, ID_PATTERN_OLD } from './constants';
 import {
   BackendModuleRegistrationPoints,
   InternalBackendModuleRegistration,
@@ -56,9 +56,14 @@ export function createBackendModule(
   options: CreateBackendModuleOptions,
 ): BackendFeature {
   function getRegistrations() {
-    if (!CONFIG_KEY_PART_PATTERN.test(options.moduleId)) {
+    if (!ID_PATTERN.test(options.moduleId)) {
+      console.warn(
+        `WARNING: The moduleId '${options.moduleId}' for plugin '${options.pluginId}', will be invalid soon please must match the pattern ${ID_PATTERN} (letters, digits, and dashes only, starting with a letter)`,
+      );
+    }
+    if (!ID_PATTERN_OLD.test(options.moduleId)) {
       throw new Error(
-        `Invalid moduleId '${options.moduleId}' for plugin '${options.pluginId}', must match the pattern ${CONFIG_KEY_PART_PATTERN} (letters, digits, dashes, and underscores only, starting with a letter)`,
+        `Invalid moduleId '${options.moduleId}' for plugin '${options.pluginId}', must match the pattern ${ID_PATTERN} (letters, digits, and dashes only, starting with a letter)`,
       );
     }
 
diff --git a/packages/backend-plugin-api/src/wiring/createBackendPlugin.ts b/packages/backend-plugin-api/src/wiring/createBackendPlugin.ts
index e4d32197ff..d2aa633620 100644
--- a/packages/backend-plugin-api/src/wiring/createBackendPlugin.ts
+++ b/packages/backend-plugin-api/src/wiring/createBackendPlugin.ts
@@ -14,13 +14,13 @@
  * limitations under the License.
  */
 
-import { CONFIG_KEY_PART_PATTERN } from '@backstage/config';
 import { BackendFeature } from '../types';
 import {
   BackendPluginRegistrationPoints,
   InternalBackendPluginRegistration,
   InternalBackendRegistrations,
 } from './types';
+import { ID_PATTERN, ID_PATTERN_OLD } from './constants';
 
 /**
  * The configuration options passed to {@link createBackendPlugin}.
@@ -50,9 +50,14 @@ export function createBackendPlugin(
   options: CreateBackendPluginOptions,
 ): BackendFeature {
   function getRegistrations() {
-    if (!CONFIG_KEY_PART_PATTERN.test(options.pluginId)) {
+    if (!ID_PATTERN.test(options.pluginId)) {
+      console.warn(
+        `WARNING: The pluginId '${options.pluginId}' will be invalid soon please must match the pattern ${ID_PATTERN} (letters, digits, and dashes only, starting with a letter)`,
+      );
+    }
+    if (!ID_PATTERN_OLD.test(options.pluginId)) {
       throw new Error(
-        `Invalid pluginId '${options.pluginId}', must match the pattern ${CONFIG_KEY_PART_PATTERN} (letters, digits, dashes, and underscores only, starting with a letter)`,
+        `Invalid pluginId '${options.pluginId}', must match the pattern ${ID_PATTERN} (letters, digits, and dashes only, starting with a letter)`,
       );
     }