From 00db8af28ff57f3bc7bd8cb6f9a56d3b35027618 Mon Sep 17 00:00:00 2001
From: 9cco <fredrik_krohg@hotmail.com>
Date: Sat, 12 Mar 2022 12:45:16 +0100
Subject: [PATCH] Stricter regex, should now catch all false positives

---
 cloudflare-template.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cloudflare-template.sh b/cloudflare-template.sh
index 51d9572..56b3725 100644
--- a/cloudflare-template.sh
+++ b/cloudflare-template.sh
@@ -28,7 +28,7 @@ else
 fi
 
 # Use regex to check for proper IPv4 format.
-if [[ ! $ip =~ $ipv4_regex ]]; then
+if [[ ! $ip =~ ^$ipv4_regex$ ]]; then
     logger -s "DDNS Updater: Failed to find a valid IP."
     exit 2
 fi