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-rw-r--r--app/lib/hashtag_normalizer.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/app/lib/hashtag_normalizer.rb b/app/lib/hashtag_normalizer.rb
index c1f99e163..49fa6101d 100644
--- a/app/lib/hashtag_normalizer.rb
+++ b/app/lib/hashtag_normalizer.rb
@@ -8,7 +8,7 @@ class HashtagNormalizer
   private
 
   def remove_invalid_characters(str)
-    str.gsub(/[^[:alnum:]#{Tag::HASHTAG_SEPARATORS}]/, '')
+    str.gsub(Tag::HASHTAG_INVALID_CHARS_RE, '')
   end
 
   def ascii_folding(str)