From 4fb4ee1915ac3c0179558182d3b34c58cb3304aa Mon Sep 17 00:00:00 2001
From: Raymond Hill <rhill@raymondhill.net>
Date: Fri, 18 Nov 2022 13:37:48 -0500
Subject: [PATCH] Handle negative character group

Related issue:
- https://github.com/uBlockOrigin/uBlock-issues/issues/2373
---
 src/js/static-filtering-parser.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/js/static-filtering-parser.js b/src/js/static-filtering-parser.js
index 844984925..23064335d 100644
--- a/src/js/static-filtering-parser.js
+++ b/src/js/static-filtering-parser.js
@@ -3027,6 +3027,7 @@ Parser.utils = Parser.prototype.utils = (( ) => {
             }
             case 2: /* T_ALTERNATION, 'Alternation' */
             case 8: /* T_CHARGROUP, 'CharacterGroup' */ {
+                if ( node.flags.NegativeMatch ) { return '\x01'; }
                 let firstChar = 0;
                 let lastChar = 0;
                 for ( let i = 0; i < node.val.length; i++ ) {