diff --git a/packages/stream_chat_flutter/CHANGELOG.md b/packages/stream_chat_flutter/CHANGELOG.md
index 31a56f95..c5c8ad7e 100644
--- a/packages/stream_chat_flutter/CHANGELOG.md
+++ b/packages/stream_chat_flutter/CHANGELOG.md
@@ -4,6 +4,9 @@
 
 - [[#1546]](https://github.com/GetStream/stream-chat-flutter/issues/1546)
   Fixed `StreamMessageInputTheme.linkHighlightColor` returning null for default theme.
+- [[#1548]](https://github.com/GetStream/stream-chat-flutter/issues/1548) Fixed `StreamMessageInput` urlRegex only
+  matching the
+  lowercase `http(s)|ftp`.
 
 ## 6.1.0
 
diff --git a/packages/stream_chat_flutter/lib/src/message_input/stream_message_input.dart b/packages/stream_chat_flutter/lib/src/message_input/stream_message_input.dart
index 72453576..109ef27e 100644
--- a/packages/stream_chat_flutter/lib/src/message_input/stream_message_input.dart
+++ b/packages/stream_chat_flutter/lib/src/message_input/stream_message_input.dart
@@ -1042,6 +1042,7 @@ class StreamMessageInputState extends State<StreamMessageInput>
   CancelableOperation? _enrichUrlOperation;
   final _urlRegex = RegExp(
     r'(?:(?:https?|ftp):\/\/)?[\w/\-?=%.]+\.[\w/\-?=%.]+',
+    caseSensitive: false,
   );
 
   void _checkContainsUrl(String value, BuildContext context) async {
diff --git a/packages/stream_chat_flutter_core/CHANGELOG.md b/packages/stream_chat_flutter_core/CHANGELOG.md
index 3359bf8c..05e6adfa 100644
--- a/packages/stream_chat_flutter_core/CHANGELOG.md
+++ b/packages/stream_chat_flutter_core/CHANGELOG.md
@@ -1,3 +1,7 @@
+## Upcoming
+
+- Fixed `StreamMessageInputController.textPatternStyle` not matching case-insensitive patterns.
+
 ## 6.1.0
 
 - Updated `dart` sdk environment range to support `3.0.0`.
diff --git a/packages/stream_chat_flutter_core/lib/src/message_text_field_controller.dart b/packages/stream_chat_flutter_core/lib/src/message_text_field_controller.dart
index ff5c03a4..ae730c06 100644
--- a/packages/stream_chat_flutter_core/lib/src/message_text_field_controller.dart
+++ b/packages/stream_chat_flutter_core/lib/src/message_text_field_controller.dart
@@ -41,7 +41,10 @@ class MessageTextFieldController extends TextEditingController {
     }
 
     return TextSpan(text: text, style: style).splitMapJoin(
-      RegExp(pattern.keys.map((it) => it.pattern).join('|')),
+      RegExp(
+        pattern.keys.map((it) => it.pattern).join('|'),
+        caseSensitive: false,
+      ),
       onMatch: (match) {
         final text = match[0]!;
         final key = pattern.keys.firstWhere((it) => it.hasMatch(text));