better regex for ipv4

Florian Schaal

2015-08-23 2df8c0b83de9efd560e109aae65fe18182f8dc3d

 install/lib/mysql.lib.php

@@ -104,6 +104,7 @@
   
   public function setDBName($name) {
      $this->dbName = $name;
      $this->_iConnId = mysqli_connect($this->dbHost, $this->dbUser, $this->dbPass);
      if(!((bool)mysqli_query( $this->_iConnId, 'USE `' . $this->dbName . '`'))) {
         $this->close();
         $this->_sqlerror('Datenbank nicht gefunden / Database not found');