From dd26c09003f3b5132c76082f2df4bb6bb236314b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E3=81=BF=E3=81=91CAT?= <mikecat@users.noreply.github.com>
Date: Fri, 30 Jan 2026 00:00:17 +0900
Subject: [PATCH] Exclude Delete character from hex dump output (#2086)

Co-authored-by: GCHQ Developer C85297 <95289555+C85297@users.noreply.github.com>
---
 src/core/Utils.mjs         | 2 +-
 tests/node/tests/Utils.mjs | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/core/Utils.mjs b/src/core/Utils.mjs
index a9c381d76..eae86374b 100755
--- a/src/core/Utils.mjs
+++ b/src/core/Utils.mjs
@@ -177,7 +177,7 @@ class Utils {
      */
     static printable(str, preserveWs=false, onlyAscii=false) {
         if (onlyAscii) {
-            return str.replace(/[^\x20-\x7f]/g, ".");
+            return str.replace(/[^\x20-\x7e]/g, ".");
         }
 
         // eslint-disable-next-line no-misleading-character-class
diff --git a/tests/node/tests/Utils.mjs b/tests/node/tests/Utils.mjs
index 8dbf37ae7..5ee7c9362 100644
--- a/tests/node/tests/Utils.mjs
+++ b/tests/node/tests/Utils.mjs
@@ -20,4 +20,10 @@ TestRegister.addApiTests([
         assert.equal(Utils.parseEscapedChars("\\\\\\'"), "\\'");
     }),
 
+    it("Utils: should replace delete character", () => {
+        assert.equal(
+            Utils.printable("\x7e\x7f\x80\xa7", false, true),
+            "\x7e...",
+        );
+    }),
 ]);