diff --git a/frontend/src/test/messageParser.test.ts b/frontend/src/test/messageParser.test.ts
index 2b67329..beddc36 100644
--- a/frontend/src/test/messageParser.test.ts
+++ b/frontend/src/test/messageParser.test.ts
@@ -9,7 +9,7 @@ import { describe, it, expect } from 'vitest';
 import {
   findLinkedChannelReferences,
   formatTime,
-  isValidLinkedChannelName,
+  HASHTAG_CHANNEL_NAME_PATTERN,
   parseSenderFromText,
 } from '../utils/messageParser';
 
@@ -103,16 +103,16 @@ describe('formatTime', () => {
 
 describe('linked channel references', () => {
   it('accepts lowercase alphanumeric names with single dashes', () => {
-    expect(isValidLinkedChannelName('ops')).toBe(true);
-    expect(isValidLinkedChannelName('ops-1')).toBe(true);
-    expect(isValidLinkedChannelName('1-2-3')).toBe(true);
+    expect(HASHTAG_CHANNEL_NAME_PATTERN.test('ops')).toBe(true);
+    expect(HASHTAG_CHANNEL_NAME_PATTERN.test('ops-1')).toBe(true);
+    expect(HASHTAG_CHANNEL_NAME_PATTERN.test('1-2-3')).toBe(true);
   });
 
   it('rejects uppercase, leading or trailing dashes, and repeated dashes', () => {
-    expect(isValidLinkedChannelName('Ops')).toBe(false);
-    expect(isValidLinkedChannelName('-ops')).toBe(false);
-    expect(isValidLinkedChannelName('ops-')).toBe(false);
-    expect(isValidLinkedChannelName('ops--room')).toBe(false);
+    expect(HASHTAG_CHANNEL_NAME_PATTERN.test('Ops')).toBe(false);
+    expect(HASHTAG_CHANNEL_NAME_PATTERN.test('-ops')).toBe(false);
+    expect(HASHTAG_CHANNEL_NAME_PATTERN.test('ops-')).toBe(false);
+    expect(HASHTAG_CHANNEL_NAME_PATTERN.test('ops--room')).toBe(false);
   });
 
   it('finds standalone linked channel references in message text', () => {
diff --git a/frontend/src/utils/messageParser.ts b/frontend/src/utils/messageParser.ts
index 3d57684..f41ebdb 100644
--- a/frontend/src/utils/messageParser.ts
+++ b/frontend/src/utils/messageParser.ts
@@ -2,7 +2,7 @@
  * Parse sender from channel message text.
  * Channel messages have format "sender: message".
  */
-const HASHTAG_CHANNEL_NAME_PATTERN = /^[a-z0-9]+(?:-[a-z0-9]+)*$/;
+export const HASHTAG_CHANNEL_NAME_PATTERN = /^[a-z0-9]+(?:-[a-z0-9]+)*$/;
 const HASHTAG_CHANNEL_REFERENCE_PATTERN = /(^|\s)(#[a-z0-9]+(?:-[a-z0-9]+)*)(?=$|[\s.,;:])/g;
 
 export function parseSenderFromText(text: string): { sender: string | null; content: string } {
@@ -26,9 +26,6 @@ export interface HashtagChannelReference {
   end: number;
 }
 
-export function isValidLinkedChannelName(name: string): boolean {
-  return HASHTAG_CHANNEL_NAME_PATTERN.test(name);
-}
 
 export function findLinkedChannelReferences(text: string): HashtagChannelReference[] {
   const references: HashtagChannelReference[] = [];