From 785dabd071b22aa59b4133c19bcb9fecc75d03c7 Mon Sep 17 00:00:00 2001
From: dgtlmoon <dgtlmoon@gmail.com>
Date: Tue, 21 Oct 2025 15:54:13 +0200
Subject: [PATCH] Empty "ignore text" lines could break ignore text and prevent
 changes from being detected (#3524)

---
 changedetectionio/html_tools.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/changedetectionio/html_tools.py b/changedetectionio/html_tools.py
index ef51e096..8edcb3bb 100644
--- a/changedetectionio/html_tools.py
+++ b/changedetectionio/html_tools.py
@@ -408,6 +408,9 @@ def strip_ignore_text(content, wordlist, mode="content"):
     ignored_lines = []
 
     for k in wordlist:
+        # Skip empty strings to avoid matching everything
+        if not k or not k.strip():
+            continue
         # Is it a regex?
         res = re.search(PERL_STYLE_REGEX, k, re.IGNORECASE)
         if res: