From f46e5ef3b5595a2dbb561eb39eb7706e31d9a287 Mon Sep 17 00:00:00 2001
From: Raymond Hill <rhill@raymondhill.net>
Date: Thu, 17 Nov 2022 13:17:32 -0500
Subject: [PATCH] Further fix tokenization from regex

As per feedback/discussion:
- https://github.com/uBlockOrigin/uBlock-issues/issues/2368
- https://github.com/uBlockOrigin/uBlock-issues/issues/2367
---
 src/js/static-filtering-parser.js | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/js/static-filtering-parser.js b/src/js/static-filtering-parser.js
index 56bc7e21b..630ffd431 100644
--- a/src/js/static-filtering-parser.js
+++ b/src/js/static-filtering-parser.js
@@ -3043,12 +3043,10 @@ Parser.utils = Parser.prototype.utils = (( ) => {
             }
             case 4: /* T_GROUP, 'Group' */ {
                 if (
-                    node.flags.LookAhead === 1 ||
                     node.flags.NegativeLookAhead === 1 ||
-                    node.flags.LookBehind === 1 ||
                     node.flags.NegativeLookBehind === 1
                 ) {
-                    return '';
+                    return '\x01';
                 }
                 return this.tokenizableStrFromNode(node.val);
             }
@@ -3156,7 +3154,7 @@ Parser.utils = Parser.prototype.utils = (( ) => {
             } catch(ex) {
             }
             // Process optional sequences
-            const reOptional = /[\x02\x03]+/g;
+            const reOptional = /[\x02\x03]+/;
             for (;;) {
                 const match = reOptional.exec(s);
                 if ( match === null ) { break; }