From b9041969303cd8b28ff022eed8b573ef2d07b64d Mon Sep 17 00:00:00 2001
From: CNE Pierre FICHEPOIL <pierre-1.fichepoil@gendarmerie.interieur.gouv.fr>
Date: Thu, 28 Aug 2025 14:18:46 +0000
Subject: [PATCH] fixed crash when <tool_call> had a newline before it

---
 common/chat.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/common/chat.cpp b/common/chat.cpp
index 111b4a21b368c..35620be5b2fe0 100644
--- a/common/chat.cpp
+++ b/common/chat.cpp
@@ -1829,7 +1829,7 @@ static common_chat_params common_chat_params_init_hermes_2_pro(const common_chat
                 // If thinking_forced_open, then we capture the </think> tag in the grammar,
                 // (important for required tool choice) and in the trigger's first capture (decides what is sent to the grammar)
                 std::string(data.thinking_forced_open ? "[\\s\\S]*?(</think>\\s*)" : "(?:<think>[\\s\\S]*?</think>\\s*)?") + (
-                    "(\\s*"
+                    "\\s*("
                     "(?:<tool_call>"
                     "|<function"
                     "|(?:```(?:json|xml)?\n\\s*)?(?:<function_call>|<tools>|<xml><json>|<response>)?"