From e74e8f763c546646c7602fa1b5b02185d6d20247 Mon Sep 17 00:00:00 2001
From: jade <jade.kimhs@gmail.com>
Date: Thu, 9 Jul 2026 14:09:27 +0900
Subject: [PATCH] fix(core): resolve No group 3 exception in PiiMaskingUtils

---
 .../shinhanlife/axhub/biz/mcp/adapter/util/PiiMaskingUtils.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/axhub-tool-core/src/main/java/io/shinhanlife/axhub/biz/mcp/adapter/util/PiiMaskingUtils.java b/axhub-tool-core/src/main/java/io/shinhanlife/axhub/biz/mcp/adapter/util/PiiMaskingUtils.java
index 269ab09..ccec93d 100644
--- a/axhub-tool-core/src/main/java/io/shinhanlife/axhub/biz/mcp/adapter/util/PiiMaskingUtils.java
+++ b/axhub-tool-core/src/main/java/io/shinhanlife/axhub/biz/mcp/adapter/util/PiiMaskingUtils.java
@@ -26,7 +26,7 @@ public class PiiMaskingUtils {
     private static final Pattern PHONE_PATTERN = Pattern.compile("(01[016789])[-]?(\\d{3,4})[-]?(\\d{4})");
 
     // 3. 신한라이프 계좌/증권번호 패턴 (단순 예시용 계좌번호 11~14자리)
-    private static final Pattern ACCOUNT_PATTERN = Pattern.compile("(\\d{3}-\\d{3}-\\d{5,8})|(\\d{11,14})");
+    private static final Pattern ACCOUNT_PATTERN = Pattern.compile("(\\d{3})-?(\\d{3})-?(\\d{5,8})");
 
     public static String mask(String input) {
         if (input == null || input.isEmpty()) {