diff --git a/core/lib/Thelia/Tests/Type/IntToCombinedStringsListTypeTest.php b/core/lib/Thelia/Tests/Type/IntToCombinedStringsListTypeTest.php
new file mode 100755
index 000000000..de308694f
--- /dev/null
+++ b/core/lib/Thelia/Tests/Type/IntToCombinedStringsListTypeTest.php
@@ -0,0 +1,64 @@
+<?php
+/*************************************************************************************/
+/*                                                                                   */
+/*      Thelia	                                                                     */
+/*                                                                                   */
+/*      Copyright (c) OpenStudio                                                     */
+/*	email : info@thelia.net                                                      */
+/*      web : http://www.thelia.net                                                  */
+/*                                                                                   */
+/*      This program is free software; you can redistribute it and/or modify         */
+/*      it under the terms of the GNU General Public License as published by         */
+/*      the Free Software Foundation; either version 3 of the License                */
+/*                                                                                   */
+/*      This program is distributed in the hope that it will be useful,              */
+/*      but WITHOUT ANY WARRANTY; without even the implied warranty of               */
+/*      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                */
+/*      GNU General Public License for more details.                                 */
+/*                                                                                   */
+/*      You should have received a copy of the GNU General Public License            */
+/*	    along with this program. If not, see <http://www.gnu.org/licenses/>.     */
+/*                                                                                   */
+/*************************************************************************************/
+
+namespace Thelia\Tests\Type;
+
+use Thelia\Type\IntToCombinedStringsListType;
+
+/**
+ *
+ * @author Etienne Roudeix <eroudeix@openstudio.fr>
+ *
+ */
+class IntToCombinedStringsListTypeTest extends \PHPUnit_Framework_TestCase
+{
+    public function testIntToCombinedStringsListType()
+    {
+        $type = new IntToCombinedStringsListType();
+        $this->assertTrue($type->isValid('1: foo & bar | (fooo &baar), 4: *, 67: (foooo & baaar)'));
+        $this->assertFalse($type->isValid('1,2,3'));
+    }
+
+    public function testFormatJsonType()
+    {
+        $type = new IntToCombinedStringsListType();
+        $this->assertEquals(
+            $type->getFormattedValue('1: foo & bar | (fooo &baar), 4: *, 67: (foooo & baaar)'),
+            array(
+                1 => array(
+                    "values" => array('foo','bar','fooo','baar'),
+                    "expression" => 'foo&bar|(fooo&baar)',
+                ),
+                4 => array(
+                    "values" => array('*'),
+                    "expression" => '*',
+                ),
+                67 => array(
+                    "values" => array('foooo','baaar'),
+                    "expression" => '(foooo&baaar)',
+                ),
+            )
+        );
+        $this->assertNull($type->getFormattedValue('foo'));
+    }
+}
diff --git a/core/lib/Thelia/Type/IntToCombinedStringsListType.php b/core/lib/Thelia/Type/IntToCombinedStringsListType.php
new file mode 100755
index 000000000..985ef8ff6
--- /dev/null
+++ b/core/lib/Thelia/Type/IntToCombinedStringsListType.php
@@ -0,0 +1,122 @@
+<?php
+/*************************************************************************************/
+/*                                                                                   */
+/*      Thelia	                                                                     */
+/*                                                                                   */
+/*      Copyright (c) OpenStudio                                                     */
+/*	email : info@thelia.net                                                      */
+/*      web : http://www.thelia.net                                                  */
+/*                                                                                   */
+/*      This program is free software; you can redistribute it and/or modify         */
+/*      it under the terms of the GNU General Public License as published by         */
+/*      the Free Software Foundation; either version 3 of the License                */
+/*                                                                                   */
+/*      This program is distributed in the hope that it will be useful,              */
+/*      but WITHOUT ANY WARRANTY; without even the implied warranty of               */
+/*      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                */
+/*      GNU General Public License for more details.                                 */
+/*                                                                                   */
+/*      You should have received a copy of the GNU General Public License            */
+/*	    along with this program. If not, see <http://www.gnu.org/licenses/>.     */
+/*                                                                                   */
+/*************************************************************************************/
+namespace Thelia\Type;
+
+/**
+ *
+ * @author Etienne Roudeix <eroudeix@openstudio.fr>
+ *
+ */
+
+class IntToCombinedStringsListType implements TypeInterface
+{
+    public function getType()
+    {
+        return 'Int to combined strings list type';
+    }
+
+    public function isValid($values)
+    {
+        foreach(explode(',', $values) as $intToCombinedStrings) {
+            $parts = explode(':', $intToCombinedStrings);
+            if(count($parts) != 2)
+                return false;
+            if(filter_var($parts[0], FILTER_VALIDATE_INT) === false)
+                return false;
+
+            if(false === $this->checkLogicalFormat($parts[1]))
+                return false;
+        }
+        $x = 3;
+        return true;
+    }
+
+    public function getFormattedValue($values)
+    {
+        if( $this->isValid($values) ) {
+            $return = '';
+
+            $values = preg_replace('#[\s]#', '', $values);
+            foreach(explode(',', $values) as $intToCombinedStrings) {
+                $parts = explode(':', $intToCombinedStrings);
+
+                $return[trim($parts[0])] = array(
+                    "values"        =>  preg_split( "#(&|\|)#", preg_replace('#[\(\)]#', '', $parts[1])),
+                    "expression"    =>  $parts[1],
+                );
+            }
+
+            return $return;
+        } else {
+            return null;
+        }
+    }
+
+    protected function checkLogicalFormat($string)
+    {
+        /* delete  all spaces and parentheses */
+        $noSpaceString = preg_replace('#[\s]#', '', $string);
+        $noParentheseString = preg_replace('#[\(\)]#', '', $noSpaceString);
+
+        if(!preg_match('#^([a-zA-Z0-9_\-]+([\&\|][a-zA-Z0-9_\-]+)*|\*)$#', $noParentheseString))
+            return false;
+
+        /* check parenteses use */
+        $openingParenthesesCount = 0;
+        $closingParenthesesCount = 0;
+
+        for($i=0; $i<strlen($noSpaceString); $i++) {
+            $char = $noSpaceString[$i];
+            if($char == '(') {
+                /* must be :
+                 * - after a &| or () or at the begining of expression
+                 * - before a number or ()
+                 * must not be :
+                 * - at the end of expression
+                 */
+                if(($i!=0 && !preg_match('#[\(\)\&\|]#', $noSpaceString[$i-1])) || !isset($noSpaceString[$i+1]) || !preg_match('#[\(\)a-zA-Z0-9_\-]#', $noSpaceString[$i+1])) {
+                    return false;
+                }
+                $openingParenthesesCount++;
+            } elseif($char == ')') {
+                /* must be :
+                 * - after a number or ()
+                 * - before a &| or () or at the end of expression
+                 * must not be :
+                 * - at the begining of expression
+                 * - if no ( remain unclose
+                 */
+                if($i == 0 || !preg_match('#[\(\)a-zA-Z0-9_\-]#', $noSpaceString[$i-1]) || (isset($noSpaceString[$i+1]) && !preg_match('#[\(\)\&\|]#', $noSpaceString[$i+1])) || $openingParenthesesCount-$closingParenthesesCount==0) {
+                    return false;
+                }
+                $closingParenthesesCount++;
+            }
+        }
+
+        if($openingParenthesesCount != $closingParenthesesCount) {
+            return false;
+        }
+
+        return true;
+    }
+}