Index: lib/class.tx_commerce_ccvs_lib.php
===================================================================
--- lib/class.tx_commerce_ccvs_lib.php	(revision 44190)
+++ lib/class.tx_commerce_ccvs_lib.php	(working copy)
@@ -247,7 +247,7 @@
         $Number = substr($Number, 0, 30);
 
         /* Remove non-numeric characters. */
-        $this->CCVSNumber = ereg_replace('[^0-9]', '', $Number);
+        $this->CCVSNumber = preg_replace('/[^0-9]/', '', $Number);
 
         /* Set up variables. */
 
@@ -429,7 +429,7 @@
                 return FALSE;
             }
 
-            if ( !ereg('^(0?[1-9]|1[0-2])$', $Month) ) {
+            if ( !preg_match('/^(0?[1-9]|1[0-2])$/', $Month) ) {
                 $this->CCVSError = $CCVSErrMonthFormat;
                 return FALSE;
             }
@@ -439,7 +439,7 @@
                 return FALSE;
             }
 
-            if ( !ereg('^[0-9]{4}$', $Year) ) {
+            if ( !preg_match('/^[0-9]{4}$/', $Year) ) {
                 $this->CCVSError = $CCVSErrYearFormat;
                 return FALSE;
             }
Index: lib/class.tx_commerce_div.php
===================================================================
--- lib/class.tx_commerce_div.php	(revision 44190)
+++ lib/class.tx_commerce_div.php	(working copy)
@@ -288,7 +288,7 @@
 		$mailconf['recipient'] = tx_commerce_div::validEmailList($mailconf['recipient']);
 	
 		if ($mailconf['recipient']) {
-			$parts = spliti('<title>|</title>', $mailconf['html']['content'], 3);
+			$parts = preg_split('/<title>|<\/title>/i', $mailconf['html']['content'], 3);
 			
 			if (trim($parts[1])) {
 				$subject = strip_tags(trim($parts[1]));
Index: pi3/class.tx_commerce_pi3.php
===================================================================
--- pi3/class.tx_commerce_pi3.php	(revision 44190)
+++ pi3/class.tx_commerce_pi3.php	(working copy)
@@ -1955,7 +1955,7 @@
 
 		$userMail = tx_commerce_div::validEmailList($userMail);
 
-		if ($userMail && !eregi("\r", $userMail) && !eregi("\n", $userMail)) {
+		if ($userMail && !preg_match("/\r/i", $userMail) && !preg_match("/\n/i", $userMail)) {
 			foreach($hookObjectsArr as $hookObj) {
 				if (method_exists($hookObj, 'getUserMail')) {
 					$hookObj->getUserMail($userMail, $orderUid, $orderData);