From d8944dc961d789b03b41d9611174d136b4372d0d Mon Sep 17 00:00:00 2001
From: Usoka <27248545+Usoka@users.noreply.github.com>
Date: Sun, 2 May 2021 20:55:02 +1200
Subject: [PATCH] Add isMention function

---
 backend/src/plugins/Tags/TagsPlugin.ts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/backend/src/plugins/Tags/TagsPlugin.ts b/backend/src/plugins/Tags/TagsPlugin.ts
index 07e57131..49977288 100644
--- a/backend/src/plugins/Tags/TagsPlugin.ts
+++ b/backend/src/plugins/Tags/TagsPlugin.ts
@@ -217,6 +217,14 @@ export const TagsPlugin = zeppelinGuildPlugin<TagsPluginType>()("tags", {
 
         return "";
       },
+
+      isMention: input => {
+        if (typeof input !== "string") {
+          return "";
+        }
+
+        return input.match(/^<(?:@[!&]?|#)\d+>$/);
+      },
     };
 
     for (const [name, fn] of Object.entries(state.tagFunctions)) {