From bf3d1bf3c0cd84c09d945cff5172f20b96741a45 Mon Sep 17 00:00:00 2001
From: Salihu <salihudickson@gmail.com>
Date: Sun, 9 Aug 2026 20:44:54 +0100
Subject: [PATCH] fix exponential backtracking in regex

---
 packages/editor-ext/src/lib/tabs/tabs.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/editor-ext/src/lib/tabs/tabs.ts b/packages/editor-ext/src/lib/tabs/tabs.ts
index bff636ac6..601cd769a 100644
--- a/packages/editor-ext/src/lib/tabs/tabs.ts
+++ b/packages/editor-ext/src/lib/tabs/tabs.ts
@@ -15,7 +15,8 @@ export interface TabsOptions {
   view: ComponentType<ReactNodeViewProps<HTMLElement>> | null;
 }
 
-const TAB_INPUT_REGEX = /^\s*===\s*["'“”‘’]((?:\\.|[^"'“”‘’\n])+?)["'“”‘’]\s+$/;
+const TAB_INPUT_REGEX =
+  /^\s*===\s*["'“”‘’]((?:\\["\\]|[^\\"'“”‘’\n])+?)["'“”‘’]\s+$/;
 
 declare module '@tiptap/core' {
   interface Commands<ReturnType> {