From 2cf42d6fcc7f00029e981f35f199b973092814ec Mon Sep 17 00:00:00 2001
From: Gal Tsubery <1638049+tsubery@users.noreply.github.com>
Date: Sat, 21 Dec 2024 04:00:44 -0600
Subject: [PATCH] Prevent multiple emails separated by commas in email field
 (#6018)

---
 priv/templates/phx.gen.auth/schema.ex | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/priv/templates/phx.gen.auth/schema.ex b/priv/templates/phx.gen.auth/schema.ex
index 13ff8f1db5..b289b3e0b8 100644
--- a/priv/templates/phx.gen.auth/schema.ex
+++ b/priv/templates/phx.gen.auth/schema.ex
@@ -46,7 +46,9 @@ defmodule <%= inspect schema.module %> do
   defp validate_email(changeset, opts) do
     changeset
     |> validate_required([:email])
-    |> validate_format(:email, ~r/^[^\s]+@[^\s]+$/, message: "must have the @ sign and no spaces")
+    |> validate_format(:email, ~r/^[^@,;\s]+@[^@,;\s]+$/,
+      message: "must have the @ sign and no spaces"
+    )
     |> validate_length(:email, max: 160)
     |> maybe_validate_unique_email(opts)
   end