diff --git a/etk/RegExp.h b/etk/RegExp.h
index b7cf812..cf6e701 100644
--- a/etk/RegExp.h
+++ b/etk/RegExp.h
@@ -294,7 +294,7 @@ template<class CLASS_TYPE> class RegExpNodeBracket : public RegExpNode<CLASS_TYP
 				int32_t i;
 				tmpFind=false;
 				for (i=0; i<m_data.Size(); i++) {
-					if (_data[_currentPos+j] == m_data[i]) {
+					if (m_data[i] == _data[_currentPos+j]) {
 						_findLen += 1;
 						tmpFind=true;
 						break;
@@ -1175,7 +1175,7 @@ template<class CLASS_TYPE> class RegExp
 		 * @brief Constructor
 		 * @param[in,out] _exp Regular expression to parse
 		 */
-		RegExp(const etk::UString &_exp) :
+		RegExp(const etk::UString &_exp="") :
 			m_expressionRequested(""),
 			m_isOk(false),
 			m_notBeginWithChar(false),
@@ -1356,7 +1356,7 @@ template<class CLASS_TYPE> class RegExp
 		bool Process( const CLASS_TYPE& _SearchIn,
 		              int32_t _startPos,
 		              int32_t _endPos,
-		              char _escapeChar=0)
+		              etk::UniChar _escapeChar=0)
 		{
 			if (false == m_isOk) {
 				return false;
@@ -1391,7 +1391,7 @@ template<class CLASS_TYPE> class RegExp
 					if(		_escapeChar != 0
 						&&	i>0)
 					{
-						if ((char)_SearchIn[i-1] == _escapeChar) {
+						if (_escapeChar == _SearchIn[i-1]) {
 							//==> detected escape char ==> try find again ...
 							continue;
 						}
@@ -1435,7 +1435,7 @@ template<class CLASS_TYPE> class RegExp
 		bool ProcessOneElement( const CLASS_TYPE& _SearchIn,
 		                        int32_t _startPos,
 		                        int32_t _endPos,
-		                        char _escapeChar=0)
+		                        etk::UniChar _escapeChar=0)
 		{
 			if (false == m_isOk) {
 				return false;
@@ -1468,7 +1468,7 @@ template<class CLASS_TYPE> class RegExp
 				if(		_escapeChar != 0
 					&&	_startPos>0)
 				{
-					if (_SearchIn[_startPos-1] == _escapeChar) {
+					if (_escapeChar == _SearchIn[_startPos-1]) {
 						//==> detected escape char ==> try find again ...
 						return false;
 					}
diff --git a/etk/UString.h b/etk/UString.h
index 92f6092..892e85b 100644
--- a/etk/UString.h
+++ b/etk/UString.h
@@ -144,7 +144,7 @@ namespace etk
 			void Remove(int32_t _currentID, int32_t _len);
 			void Clear(void);
 			
-			etk::Vector<uniChar_t> GetVector(void);
+			etk::Vector<etk::UniChar> GetVector(void);
 			uniChar_t* pointer(void) { return &m_data[0]; };
 			
 			etk::Char c_str(void) const;
diff --git a/etk/os/FSNode.cpp b/etk/os/FSNode.cpp
index b3af04e..36a81b4 100644
--- a/etk/os/FSNode.cpp
+++ b/etk/os/FSNode.cpp
@@ -555,12 +555,14 @@ void etk::FSNode::PrivateSetName(const etk::UString& newName)
 			}
 		}
 	#else
-		isRootFolder = destFilename.StartWith('/');
+		isRootFolder = destFilename.StartWith("/");
 	#endif
 	if (true == destFilename.StartWith(baseFolderHome) ) {
+		TK_DBG_MODE("    ==> detect home");
 		destFilename.Remove(0, baseFolderHome.Size());
 		m_type = etk::FSN_TYPE_HOME;
 	} else if(true == isRootFolder) {
+		TK_DBG_MODE("    ==> detect root");
 		#ifdef __TARGET_OS__Windows
 			destFilename.Remove(0, 3);
 		#else
@@ -569,6 +571,7 @@ void etk::FSNode::PrivateSetName(const etk::UString& newName)
 		m_type = etk::FSN_TYPE_DIRECT;
 	} else if(    true == destFilename.StartWith("ROOT:")
 	           || true == destFilename.StartWith("root:") ) {
+		TK_DBG_MODE("    ==> detect root 2 ");
 		destFilename.Remove(0, 5);
 		m_type = etk::FSN_TYPE_DIRECT;
 		if(true == destFilename.StartWith("~")) {
@@ -577,6 +580,7 @@ void etk::FSNode::PrivateSetName(const etk::UString& newName)
 		}
 	} else if(    true == destFilename.StartWith("DIRECT:")
 	           || true == destFilename.StartWith("direct:") ) {
+		TK_DBG_MODE("    ==> detect direct");
 		destFilename.Remove(0, 7);
 		m_type = etk::FSN_TYPE_DIRECT;
 		if(true == destFilename.StartWith("~")) {
@@ -585,25 +589,31 @@ void etk::FSNode::PrivateSetName(const etk::UString& newName)
 		}
 	} else if(    true == destFilename.StartWith("DATA:")
 	           || true == destFilename.StartWith("data:") ) {
+		TK_DBG_MODE("    ==> detect data");
 		destFilename.Remove(0, 5);
 		m_type = etk::FSN_TYPE_DATA;
 	} else if(    true == destFilename.StartWith("USERDATA:")
 	           || true == destFilename.StartWith("userdata:") ) {
+		TK_DBG_MODE("    ==> detect User-data");
 		destFilename.Remove(0, 9);
 		m_type = etk::FSN_TYPE_USER_DATA;
 	} else if(    true == destFilename.StartWith("CACHE:")
 	           || true == destFilename.StartWith("cache:") ) {
+		TK_DBG_MODE("    ==> detect Cach");
 		destFilename.Remove(0, 6);
 		m_type = etk::FSN_TYPE_CACHE;
 	} else if(    true == destFilename.StartWith("THEME:")
 	           || true == destFilename.StartWith("theme:") ) {
+		TK_DBG_MODE("    ==> detect theme");
 		destFilename.Remove(0, 6);
 		m_type = etk::FSN_TYPE_THEME;
 	} else if(true == destFilename.StartWith("~")) {
+		TK_DBG_MODE("    ==> detect home 2");
 		destFilename.Remove(0, 1);
 		m_type = etk::FSN_TYPE_HOME;
 	} else if(    true == destFilename.StartWith("HOME:")
 	           || true == destFilename.StartWith("home:") ) {
+		TK_DBG_MODE("    ==> detect home 3");
 		destFilename.Remove(0, 5);
 		m_type = etk::FSN_TYPE_HOME;
 		if(true == destFilename.StartWith("~")) {
@@ -613,6 +623,7 @@ void etk::FSNode::PrivateSetName(const etk::UString& newName)
 		destFilename.Remove(0, baseRunPath.Size());
 		m_type = etk::FSN_TYPE_RELATIF;
 	} */else {
+		TK_DBG_MODE("    ==> detect other");
 		// nothing to remove
 		//Other type is Relative : 
 		m_type = etk::FSN_TYPE_RELATIF;