From 04b8d495b6d38cc362c931f611c5c5591a08c3f2 Mon Sep 17 00:00:00 2001
From: Raymond Hill <rhill@raymondhill.net>
Date: Fri, 18 Nov 2022 08:52:32 -0500
Subject: [PATCH] Mind zero quantifier

Related issue:
- https://github.com/uBlockOrigin/uBlock-issues/issues/2371
---
 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 799ebdf57..31120278b 100644
--- a/src/js/static-filtering-parser.js
+++ b/src/js/static-filtering-parser.js
@@ -3051,6 +3051,7 @@ Parser.utils = Parser.prototype.utils = (( ) => {
                 return this.tokenizableStrFromNode(node.val);
             }
             case 16: /* T_QUANTIFIER, 'Quantifier' */ {
+                if ( node.flags.max === 0 ) { return ''; }
                 const s = this.tokenizableStrFromNode(node.val);
                 const first = this.firstCharCodeClass(s);
                 const last = this.lastCharCodeClass(s);