diff --git a/src/pages/VideoLinkAddModal.test.ts b/src/pages/VideoLinkAddModal.test.ts
new file mode 100644
index 000000000..d245a9dd9
--- /dev/null
+++ b/src/pages/VideoLinkAddModal.test.ts
@@ -0,0 +1,19 @@
+import { ALLOWED_VIDEO_SOURCES_REGEX } from '@/pages/VideoLinkAddModal';
+
+describe('ALLOWED_VIDEO_SOURCES_REGEX', () => {
+  const tests = {
+    'https://www.youtube.com/watch?v=12345678901': true,
+    'http://youtu.be/12345678901?si=6N2ks_X0YOE_0Pmg': true,
+    'http://youtudbe/12345678901?si=6N2ks_X0YOE_0Pmg': false,
+    'https://www.youtube.com/shorts/ViOS7SeT0HE': true,
+    'https://vimeo.com/789006133': true,
+    'http://www.vimeo.com/789006133': true,
+    'http://miveo.com/789006133': false,
+  };
+
+  test.each(Object.entries(tests))(
+    'can test whether video URL %p being valid is %p',
+    (url, expected) =>
+      expect(ALLOWED_VIDEO_SOURCES_REGEX.test(url)).toBe(expected),
+  );
+});
diff --git a/src/pages/VideoLinkAddModal.tsx b/src/pages/VideoLinkAddModal.tsx
index 46ccd8114..0ccf86dcb 100644
--- a/src/pages/VideoLinkAddModal.tsx
+++ b/src/pages/VideoLinkAddModal.tsx
@@ -16,8 +16,14 @@ type Props = {
   onClose: () => void;
 };
 
-const ALLOWED_VIDEO_SOURCES_REGEX: RegExp =
-  /^http(s?):\/\/(www\.)?((youtube\.com\/watch\?v=([^/#&?]*))|(vimeo\.com\/([^/#&?]*))|(youtu\.be\/([^/#&?]*)))/;
+const ALLOWED_VIDEO_SOURCES_REGEX = new RegExp(
+  '^(https?://(www\\.)?' + // Protocol
+    '(youtube.com/watch\\?v=|' + // YouTube
+    'youtu\\.be/|' + // Shortened YouTube
+    'vimeo\\.com/|' + // Vimeo
+    'youtube\\.com/shorts/)' + // YouTube Shorts
+    '[^/#&?]+)', // Video ID
+);
 
 type FormData = {
   link: string;
@@ -87,4 +93,4 @@ const VideoLinkAddModal = ({ visible, onConfirm, onClose }: Props) => {
   );
 };
 
-export { VideoLinkAddModal };
+export { ALLOWED_VIDEO_SOURCES_REGEX, VideoLinkAddModal };