Index: trunk/core/kernel/db/dbitem.php
===================================================================
diff -u -r2034 -r2095
--- trunk/core/kernel/db/dbitem.php	(.../dbitem.php)	(revision 2034)
+++ trunk/core/kernel/db/dbitem.php	(.../dbitem.php)	(revision 2095)
@@ -712,7 +712,7 @@
 		$new_name = $this->GetDBField($title_field);
 		$original_checked = false;
 		do {
-			if ( preg_match("/Copy ([0-9]*)[ ]*of(.*)/", $new_name, $regs) ) {
+			if ( preg_match('/Copy ([0-9]*) *of (.*)/', $new_name, $regs) ) {
 				$new_name = 'Copy '.($regs[1]+1).' of '.$regs[2];
 			}
 			elseif ($original_checked) {
Index: trunk/core/units/general/cat_dbitem.php
===================================================================
diff -u -r2045 -r2095
--- trunk/core/units/general/cat_dbitem.php	(.../cat_dbitem.php)	(revision 2045)
+++ trunk/core/units/general/cat_dbitem.php	(.../cat_dbitem.php)	(revision 2095)
@@ -49,8 +49,8 @@
 		$cat_id = $this->Application->GetVar('m_cat_id');
 		$original_checked = false;
 		do {
-			if ( preg_match("/Copy ([0-9]*)[ ]*of(.*)/", $new_name, $regs) ) {
-				$new_name = 'Copy '.($regs[1]+1).' of '.$regs[2];
+			if ( preg_match('/Copy ([0-9]*) *of (.*)/', $new_name, $regs) ) {
+				$new_name = 'Copy '.( (int)$regs[1] + 1 ).' of '.$regs[2];
 			}
 			elseif ($original_checked) {
 				$new_name = 'Copy of '.$new_name;
Index: trunk/kernel/units/general/cat_dbitem.php
===================================================================
diff -u -r2045 -r2095
--- trunk/kernel/units/general/cat_dbitem.php	(.../cat_dbitem.php)	(revision 2045)
+++ trunk/kernel/units/general/cat_dbitem.php	(.../cat_dbitem.php)	(revision 2095)
@@ -49,8 +49,8 @@
 		$cat_id = $this->Application->GetVar('m_cat_id');
 		$original_checked = false;
 		do {
-			if ( preg_match("/Copy ([0-9]*)[ ]*of(.*)/", $new_name, $regs) ) {
-				$new_name = 'Copy '.($regs[1]+1).' of '.$regs[2];
+			if ( preg_match('/Copy ([0-9]*) *of (.*)/', $new_name, $regs) ) {
+				$new_name = 'Copy '.( (int)$regs[1] + 1 ).' of '.$regs[2];
 			}
 			elseif ($original_checked) {
 				$new_name = 'Copy of '.$new_name;