From 5d1618e1be12f4e55e94a921fcce0c34bfd9af59 Mon Sep 17 00:00:00 2001
From: Raymond Hill <rhill@raymondhill.net>
Date: Mon, 6 Nov 2023 07:16:41 -0500
Subject: [PATCH] Reset potential `g` regex before use in `replace=` option

Related discussion:
https://github.com/uBlockOrigin/uAssets/issues/5184#issuecomment-1794058253
---
 src/js/traffic.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/js/traffic.js b/src/js/traffic.js
index 34373f30c..493830725 100644
--- a/src/js/traffic.js
+++ b/src/js/traffic.js
@@ -602,10 +602,10 @@ const mimeFromHeaders = headers => {
 const mimeFromContentType = contentType => {
     const match = reContentTypeMime.exec(contentType);
     if ( match === null ) { return ''; }
-    return match[1].toLowerCase();
+    return match[0].toLowerCase();
 };
 
-const reContentTypeMime = /^([^;]+)(?:;|$)/i;
+const reContentTypeMime = /^[^;]+/i;
 
 /******************************************************************************/
 
@@ -619,7 +619,9 @@ function textResponseFilterer(session, directives) {
         }
         const cache = refs.$cache;
         if ( cache === undefined ) { continue; }
+        cache.re.lastIndex = 0;
         if ( cache.re.test(session.getString()) !== true ) { continue; }
+        cache.re.lastIndex = 0;
         session.setString(session.getString().replace(
             cache.re,
             cache.replacement