original_string: protected function parseTransactionCode()
      {
          $results = [];
          if (preg_match('/^:61:.*?N(.{3}).*/', $this->getCurrentTransactionData(), $results)
              && !empty($results[1])
          ) {
              return trim($results[1]);
          }
          return '';
      }
code: protected function parseTransactionCode()
      {
          $results = [];
          if (preg_match('/^:61:.*?N(.{3}).*/', $this->getCurrentTransactionData(), $results)
              && !empty($results[1])
          ) {
              return trim($results[1]);
          }
          return '';
      }
code_tokens: protected function parseTransactionCode ( ) { $ results = [ ] ; if ( preg_match ( '/^:61:.*?N(.{3}).*/' , $ this -> getCurrentTransactionData ( ) , $ results ) && ! empty ( $ results [ 1 ] ) ) { return trim ( $ results [ 1 ] ) ; } return '' ; }
docstring: uses the 61 field to get the bank specific transaction code.
  
  @return string
docstring_tokens: uses the 61 field to get the bank specific transaction code .