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diff --git a/src/utils/stringfilter.h b/src/utils/stringfilter.h
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+/*
+ *  The Mana World Server
+ *  Copyright 2004 The Mana World Development Team
+ *
+ *  This file is part of The Mana World.
+ *
+ *  The Mana World  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 2 of the License, or any later version.
+ *
+ *  The Mana  World 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 The Mana  World; if not, write to the  Free Software Foundation, Inc.,
+ *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ *  $Id$
+ */
+
+
+#ifndef _TMWSERV_SLANGSFILTER_H_
+#define _TMWSERV_SLANGSFILTER_H_
+
+#include <string>
+#include "../configuration.h"
+
+namespace tmwserv
+{
+namespace utils
+{
+
+/**
+ * Used to filter content containing bad words. Like username, character's names, chat, ...
+ */
+class StringFilter
+{
+    public:
+        /**
+         * ctors.
+         */
+        StringFilter(Configuration *config);
+
+        ~StringFilter();
+
+        /**
+         * Load slang list from the config file.
+         *
+         * @return true is the config is loaded succesfully
+         *
+         */
+        bool
+        loadSlangFilterList();
+
+        /**
+         * Write slang list to the config file.
+         *
+         * @return true is the config is loaded succesfully
+         *
+         */
+        void
+        writeSlangFilterList();
+
+        /**
+        * Useful to filter slangs automatically, by instance.
+        * @return true if the sentence is slangs clear.
+        */
+        bool
+        filterContent(const std::string& text);
+
+        /**
+         * Tells if an email is valid
+         */
+        bool
+        isEmailValid(const std::string& email);
+
+        /**
+         * find double quotes (") in strings.
+         * Very useful not to make SQL Queries bqsed on names crash
+         * I placed it here cause where you've got " you can have slangs...
+         */
+        bool
+        findDoubleQuotes(const std::string& text);
+
+    private:
+        std::list<std::string> mSlangs;    /**< the formatted Slangs list */
+        bool mInitialized;                 /**< Set if the list is loaded */
+        Configuration *mConfig;            /**< The config instance */
+};
+
+} // ::utils
+} // ::tmwserv
+
+extern tmwserv::utils::StringFilter *stringFilter;
+
+#endif