From 7eee529c9f166dad8a77cd08cf1c69c18012895f Mon Sep 17 00:00:00 2001
From: Laurent Destailleur <eldy@destailleur.fr>
Date: Sun, 23 Jul 2017 16:28:56 +0200
Subject: [PATCH] Can use - and _ into website alias

---
 htdocs/websites/index.php | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/htdocs/websites/index.php b/htdocs/websites/index.php
index 14bb0b3a90f..c8ba93c86f1 100644
--- a/htdocs/websites/index.php
+++ b/htdocs/websites/index.php
@@ -174,10 +174,11 @@ if ($action == 'add')
         $error++;
         $action='create';
     }
-    else if (! preg_match('/^[a-z0-9]+$/i', $objectpage->pageurl))
+    else if (! preg_match('/^[a-z0-9\-\_]+$/i', $objectpage->pageurl))
     {
-    	$error++;
     	setEventMessages($langs->transnoentities("ErrorFieldCanNotContainSpecialCharacters", $langs->transnoentities('WEBSITE_PAGENAME')), null, 'errors');
+    	$error++;
+    	$action='create';
     }
     if (empty($objectpage->title))
     {