From dc49225425c2c07de0a6dc3529f2386c82a032b4 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sat, 12 Sep 2026 09:29:13 +0100
Subject: Avoid excessive backtracking when parsing unterminated strings

---
 lib/styles/parser/tokeniser.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lib/styles/parser')

diff --git a/lib/styles/parser/tokeniser.js b/lib/styles/parser/tokeniser.js
index fa45ff9..ef2a2c3 100644
--- a/lib/styles/parser/tokeniser.js
+++ b/lib/styles/parser/tokeniser.js
@@ -3,7 +3,7 @@ var RegexTokeniser = lop.RegexTokeniser;
 
 exports.tokenise = tokenise;
 
-var stringPrefix = "'((?:\\\\.|[^'])*)";
+var stringPrefix = "'((?:\\\\(?:.|$)|[^'\\\\])*)";
 
 function tokenise(string) {
     var identifierCharacter = "(?:[a-zA-Z\\-_]|\\\\.)";
-- 
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