From dc45f7cd21fe51a4cbb23fb36459982d1e06a6d5 Mon Sep 17 00:00:00 2001
From: Josh Goebel <me@joshgoebel.com>
Date: Thu, 12 Nov 2020 06:41:49 -0500
Subject: [PATCH] fix(livescript) fix potential catastrophic backtracking

---
 src/languages/livescript.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/languages/livescript.js b/src/languages/livescript.js
index 4584ef82e2..97c4f244ad 100644
--- a/src/languages/livescript.js
+++ b/src/languages/livescript.js
@@ -81,7 +81,7 @@ function(hljs) {
         {
           // regex can't start with space to parse x / 2 / 3 as two divisions
           // regex can't start with *, and it supports an "illegal" in the main mode
-          begin: /\/(?![ *])(\\\/|.)*?\/[gim]*(?=\W)/
+          begin: /\/(?![ *])(\\.|[^\\\n])*?\/[gim]*(?=\W)/
         }
       ]
     },