From f8ec54c635345b6955b0710740f40a5af9ec1d8e Mon Sep 17 00:00:00 2001
From: Raymond Hill <rhill@raymondhill.net>
Date: Fri, 10 Jan 2020 11:07:31 -0500
Subject: [PATCH] Fix compatibility issue with hosts files

Related issue:
- https://github.com/uBlockOrigin/uBlock-issues/issues/847

IP address `0` is a valid synonym of `0.0.0.0`.
---
 src/js/storage.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/js/storage.js b/src/js/storage.js
index 7a214dbea..dc4d5bf38 100644
--- a/src/js/storage.js
+++ b/src/js/storage.js
@@ -828,7 +828,7 @@ self.addEventListener('hiddenSettingsChanged', ( ) => {
     const reIsWhitespaceChar = /\s/;
     const reMaybeLocalIp = /^[\d:f]/;
     const reIsLocalhostRedirect = /\s+(?:0\.0\.0\.0|broadcasthost|localhost|local|ip6-\w+)\b/;
-    const reLocalIp = /^(?:0\.0\.0\.0|127\.0\.0\.1|::1?|fe80::1%lo0)\s+/;
+    const reLocalIp = /^(?:(0\.0\.0\.)?0|127\.0\.0\.1|::1?|fe80::1%lo0)\s+/;
     const lineIter = new this.LineIterator(this.processDirectives(rawText));
 
     while ( lineIter.eot() === false ) {