From 512b1e7296b8f80853eb4c0a2feeceb2b1f8021e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bar=C4=B1=C5=9F=20Soner=20U=C5=9Fakl=C4=B1?=
 <barisusakli@gmail.com>
Date: Tue, 20 Jan 2026 11:17:30 -0500
Subject: [PATCH] fix: remove lowercase bidi controls as well

---
 public/src/utils.common.js | 2 +-
 test/utils.js              | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/public/src/utils.common.js b/public/src/utils.common.js
index 873292d22e..a35c6a2ea0 100644
--- a/public/src/utils.common.js
+++ b/public/src/utils.common.js
@@ -301,7 +301,7 @@ const utils = {
 		return String(str).replace(new RegExp('<(\\/)?(' + (pattern || '[^\\s>]+') + ')(\\s+[^<>]*?)?\\s*(\\/)?>', 'gi'), '');
 	},
 	stripBidiControls: function (input) {
-		return input.replace(/[\u202A-\u202E\u2066-\u2069]/g, '');
+		return input.replace(/[\u202A-\u202E\u2066-\u2069]/gi, '');
 	},
 	cleanUpTag: function (tag, maxLength) {
 		if (typeof tag !== 'string' || !tag.length) {
diff --git a/test/utils.js b/test/utils.js
index 2e0ce72e8a..cd5ec12a4b 100644
--- a/test/utils.js
+++ b/test/utils.js
@@ -51,6 +51,12 @@ describe('Utility Methods', () => {
 			assert.strictEqual(out, 'Hello World Dwellers');
 		});
 
+		it('should remove common bidi embedding and override controls if they are lowercase', () => {
+			const input = '\u202aHello\u202c \u202bWorld\u202c \u202dDwellers\u202e';
+			const out = utils.stripBidiControls(input);
+			assert.strictEqual(out, 'Hello World Dwellers');
+		});
+
 		it('should remove bidirectional isolate formatting characters', () => {
 			const input = '\u2066abc\u2067def\u2068ghi\u2069';
 			const out = utils.stripBidiControls(input);