diff --git a/lib/rex/text/table.rb b/lib/rex/text/table.rb
index db11fe7..0982438 100644
--- a/lib/rex/text/table.rb
+++ b/lib/rex/text/table.rb
@@ -423,7 +423,7 @@ protected
         __method__.to_s << ': String with unsupported encoding caught!'
     end
     utf8_buf = buf.dup.force_encoding("UTF-8")
-    hans_size = utf8_buf.size - utf8_buf.gsub(/[\u4e00-\u9fa5]/, '').size
+    hans_size = utf8_buf.size - utf8_buf.gsub(/\p{Han}+/u, '').size
     remainder = max - utf8_buf.length - hans_size
     remainder = 0 if remainder < 0
     val       = chr * remainder