Fixes issue #4

classes/wc-gateway-paypal-express-angelleye.php

@@ -897,7 +897,7 @@ function ConfirmPayment($FinalPaymentAmt)
         if (!empty($this->confirm_order_id))
         {
             $order =  new WC_Order($this->confirm_order_id);
-            $invoice_number = str_replace("#","",$order->get_order_number());
+			$invoice_number = preg_replace("/[^0-9,.]/", "", $order->get_order_number());
 
             if ( $order->customer_note )
             {

classes/wc-gateway-paypal-pro-angelleye.php

@@ -645,7 +645,7 @@ function do_payment($order, $card_number, $card_type, $card_exp_month, $card_exp
 								'handlingamt' => '', 					// Total handling costs for the order.  If you specify handlingamt, you must also specify itemamt.
 								'desc' => '', 							// Description of the order the customer is purchasing.  127 char max.
 								'custom' => $order->customer_note ? wptexturize($order->customer_note) : '', 						// Free-form field for your own use.  256 char max.
-								'invnum' => str_replace("#","",$order->id), 						// Your own invoice or tracking number
+								'invnum' => $invoice_number = preg_replace("/[^0-9,.]/", "", $order->id), // Your own invoice or tracking number
 								'notifyurl' => '', 						// URL for receiving Instant Payment Notifications.  This overrides what your profile is set to use.
 								'recurring' => ''						// Flag to indicate a recurring transaction.  Value should be Y for recurring, or anything other than Y if it's not recurring.  To pass Y here, you must have an established billing agreement with the buyer.
 							);

classes/wc-gateway-paypal-pro-payflow-angelleye.php

@@ -291,7 +291,7 @@ function do_payment( $order, $card_number, $card_exp, $card_csc, $centinelPAResS
 					'cvv2'=>$card_csc, 				// A code printed on the back of the card (or front for Amex)
 					'recurring'=>'', 			// Identifies the transaction as recurring.  One of the following values:  Y = transaction is recurring, N = transaction is not recurring. 
 					'swipe'=>'', 				// Required for card-present transactions.  Used to pass either Track 1 or Track 2, but not both.
-					'orderid'=>str_replace("#","",$order->get_order_number()), 				// Checks for duplicate order.  If you pass orderid in a request and pass it again in the future the response returns DUPLICATE=2 along with the orderid
+					'orderid'=>preg_replace("/[^0-9,.]/", "", $order->get_order_number()), // Checks for duplicate order.  If you pass orderid in a request and pass it again in the future the response returns DUPLICATE=2 along with the orderid
 					'orderdesc'=>'Order ' . $order->get_order_number() . ' on ' . get_bloginfo( 'name' ), //
 					'billtoemail'=>$order->billing_email, 			// Account holder's email address.
 					'billtophonenum'=>'', 		// Account holder's phone number.