From: Indrajit Raychaudhuri <redacted>
Date: Tue, 20 Jun 2017 01:23:00 +0000 (-0500)
Subject: Tighten regex rule to discard IP address as hostname
X-Git-Url: http://git.99rst.org/?a=commitdiff_plain;h=7e1b06ecf9b732816b098cfef5d1882b6c8c04b4;p=stevenblack-hosts.git

Tighten regex rule to discard IP address as hostname
---

diff --git a/updateHostsFile.py b/updateHostsFile.py
index 4de7f3eb0..59c9b6d61 100644
--- a/updateHostsFile.py
+++ b/updateHostsFile.py
@@ -501,7 +501,8 @@ def normalize_rule(rule):
         The rule string with spelling and spacing reformatted.
     """
 
-    result = re.search(r'^[ \t]*(\d+\.\d+\.\d+\.\d+)\s+([\w\.-]+)(.*)', rule)
+    result = re.search(r'^\s*(\d{1,3}\.){3}\d{1,3}\s+([\w\.-]+[a-zA-Z])(.*)',
+                       rule)
     if result:
         hostname, suffix = result.group(2, 3)