diff --git a/main.py b/main.py
index ea950c1..c9665af 100644
--- a/main.py
+++ b/main.py
@@ -31,7 +31,7 @@ def only_alphanumerics(text):
     """
     Detects if the text contains only alphanumerics.
     """
-    return re.search("[^a-zA-Z0-9]", text) is None
+    return re.search(r"\W", text) is None
 
 
 def make_bold_part(token):