Better parsing of hosts file system addresses

Related issue:
- uBlockOrigin/uBlock-issues#877

Author: gorhill

src/js/static-filtering-parser.js

@@ -102,7 +102,7 @@ const Parser = class {
         this.netOptionsIterator = new NetOptionsIterator(this);
         this.extOptionsIterator = new ExtOptionsIterator(this);
         this.maxTokenLength = Number.MAX_SAFE_INTEGER;
-        this.reIsLocalhostRedirect = /(?:0\.0\.0\.0|(?:broadcast|local)host|local|ip6-\w+)\b/;
+        this.reIsLocalhostRedirect = /(?:0\.0\.0\.0|(?:broadcast|local)host|local|ip6-\w+)(?:[^\w.-]|$)/;
         this.reHostname = /^[^\x00-\x24\x26-\x29\x2B\x2C\x2F\x3A-\x40\x5B-\x5E\x60\x7B-\x7F]+/;
         this.reHostsSink = /^[\w-.:\[\]]+$/;
         this.reHostsSource = /^[^\x00-\x24\x26-\x29\x2B\x2C\x2F\x3A-\x40\x5B-\x5E\x60\x7B-\x7F]+$/;