Update app.py

app.py

@@ -111,7 +111,7 @@ def create_bibtex_entry(data):
     if year and 'year' not in data:
         data['year'] = year
 
-    match_year = re.search(r'\b(\d{4})\b', data['year'])
+    match_year = re.search(r'(\d{4})', data['year'])
     
     if match_year:
         data['year'] = match_year.group(1)