lib/active_merchant/billing/gateways/realex.rb in activemerchant-1.107.4 vs lib/active_merchant/billing/gateways/realex.rb in activemerchant-1.108.0

@@ -308,10 +308,10 @@
       def add_three_d_secure(xml, options)
         return unless three_d_secure = options[:three_d_secure]
 
         version = three_d_secure.fetch(:version, '')
         xml.tag! 'mpi' do
-          if version =~ /^2/
+          if /^2/.match?(version)
             xml.tag! 'authentication_value', three_d_secure[:cavv]
             xml.tag! 'ds_trans_id', three_d_secure[:ds_transaction_id]
           else
             xml.tag! 'cavv', three_d_secure[:cavv]
             xml.tag! 'xid', three_d_secure[:xid]