From b78d65565beecef6cff0643950ab851e2d4312d8 Mon Sep 17 00:00:00 2001
From: Josh Hawkins <32435876+hawkeye217@users.noreply.github.com>
Date: Fri, 9 Oct 2026 23:59:36 -0500
Subject: [PATCH] show a specific error for dot-only usernames

Entering "." or ".." in the create user dialog showed the message listing periods as allowed characters, which didn't explain the rejection. The dialog now checks for dot-only names separately and shows its own message.
---
 web/public/locales/en/views/settings.json       | 1 +
 web/src/components/overlay/CreateUserDialog.tsx | 5 ++++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/web/public/locales/en/views/settings.json b/web/public/locales/en/views/settings.json
index 1f50863e46..0c26619bc7 100644
--- a/web/public/locales/en/views/settings.json
+++ b/web/public/locales/en/views/settings.json
@@ -1054,6 +1054,7 @@
         "title": "Create New User",
         "desc": "Add a new user account and specify a role for access to areas of the Frigate UI.",
         "usernameOnlyInclude": "Username may only include letters, numbers, . or _",
+        "usernameOnlyDots": "Username cannot contain only periods",
         "confirmPassword": "Please confirm your password"
       },
       "deleteUser": {
diff --git a/web/src/components/overlay/CreateUserDialog.tsx b/web/src/components/overlay/CreateUserDialog.tsx
index 0b4f09aa78..2953a29cb9 100644
--- a/web/src/components/overlay/CreateUserDialog.tsx
+++ b/web/src/components/overlay/CreateUserDialog.tsx
@@ -80,8 +80,11 @@ export default function CreateUserDialog({
       user: z
         .string()
         .min(1, t("users.dialog.form.usernameIsRequired"))
-        .regex(/^(?!\.+$)[A-Za-z0-9._]+$/, {
+        .regex(/^[A-Za-z0-9._]+$/, {
           message: t("users.dialog.createUser.usernameOnlyInclude"),
+        })
+        .regex(/[^.]/, {
+          message: t("users.dialog.createUser.usernameOnlyDots"),
         }),
       password: z
         .string()