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-rw-r--r--app/models/account.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/app/models/account.rb b/app/models/account.rb
index 82c9b58d5..163bd1c0e 100644
--- a/app/models/account.rb
+++ b/app/models/account.rb
@@ -44,7 +44,7 @@
 #
 
 class Account < ApplicationRecord
-  MENTION_RE = /(?:^|[^\/[:word:]])@([a-z0-9_]+(?:@[a-z0-9\.\-]+[a-z0-9]+)?)/i
+  MENTION_RE = /(?:^|[^\/[:word:]])@(([a-z0-9_]+)(?:@[a-z0-9\.\-]+[a-z0-9]+)?)/i
 
   include AccountAvatar
   include AccountFinderConcern