From 3f797af7e4a2e69f2f5aa5305f79960f7e7c5d13 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sat, 12 Sep 2026 09:39:38 +0100
Subject: Avoid excessive backtracking when parsing unterminated strings

---
 .../zwobble/mammoth/internal/styles/parsing/StyleMappingTokeniser.java  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/main')

diff --git a/src/main/java/org/zwobble/mammoth/internal/styles/parsing/StyleMappingTokeniser.java b/src/main/java/org/zwobble/mammoth/internal/styles/parsing/StyleMappingTokeniser.java
index 9625d24..6afec90 100644
--- a/src/main/java/org/zwobble/mammoth/internal/styles/parsing/StyleMappingTokeniser.java
+++ b/src/main/java/org/zwobble/mammoth/internal/styles/parsing/StyleMappingTokeniser.java
@@ -13,7 +13,7 @@ public class StyleMappingTokeniser {
     }
 
     public static List<Token<TokenType>> tokeniseToList(String line) {
-        String stringPrefix = "'(?:(?:\\\\.|[^'])*)";
+        String stringPrefix = "'(?:(?:\\\\(?:.|$)|[^'\\\\])*)";
         String identifierCharacter = "(?:[a-zA-Z\\-_]|\\\\.)";
 
         RegexTokeniser<TokenType> tokeniser = new RegexTokeniser<>(
-- 
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