diff --git a/src/include/lffiles.h b/src/include/lffiles.h
index bd3da435e..4e11af404 100755
--- a/src/include/lffiles.h
+++ b/src/include/lffiles.h
@@ -193,6 +193,10 @@
 #define LF_TRASFATT						 173
 #define LF_IVALIQ							 174
 #define LF_CFPRI               175
+#define LF_FPCUST							 176
+#define LF_FPCCAUS						 177
+#define LF_FPCART							 178
+#define LF_FPCADG							 179
 
 #define LF_EXTERNAL           1000 // Files with id >= are considered to be externals
 
diff --git a/src/include/strings.cpp b/src/include/strings.cpp
index e2599d9bf..e9bfa50cc 100755
--- a/src/include/strings.cpp
+++ b/src/include/strings.cpp
@@ -411,6 +411,21 @@ int TString::replace(char find_char, char replace_char)
   return n;
 }
 
+int TString::replace(const char* find_string, const char* replace_string)
+{
+	int n = 0;
+	const int old_str_lenght = strlen(find_string);
+	const int new_str_lenght = strlen(replace_string);
+	for(int pos = find(find_string); pos >= 0; pos = find(find_string, pos + new_str_lenght))
+	{
+		static TString app; app.cut(0);
+		app << this->left(pos) << replace_string << this->mid(pos + old_str_lenght);
+		*this = app;
+		n++;
+	}
+	return n;
+}
+
 
 // Certified 99%
 // @doc EXTERNAL
@@ -1013,14 +1028,14 @@ TString& TString::insert(
     strcpy_s(&_str[pos+l], _size-(pos+l)+1, spark);      // Aggiungi spark
   }
   return *this;
-}
-
-TString & TString::add_front(const char * s)
-{
-	const int l = strlen(s);
-	lpad(len() + l);
-	overwrite(s);
-	return *this;
+}
+
+TString & TString::add_front(const char * s)
+{
+	const int l = strlen(s);
+	lpad(len() + l);
+	overwrite(s);
+	return *this;
 }
 
 // Certified 90%
@@ -1941,6 +1956,20 @@ void TToken_string::destroy(int n)
   restart();  
 }
 
+const char* TToken_string::remove(const int pos)
+{
+	// Prelevo l'informazione della stringa
+	TString& ret = get_tmp_string();
+	ret << get(pos);
+
+	// La distruggo nel TToken_string
+	destroy(pos);
+
+	// Ritorno
+	return ret;
+}
+
+
 TToken_string& TToken_string::pack()
 {
   const char sep = separator();
diff --git a/src/include/strings.h b/src/include/strings.h
index c91b72d07..b1a8802f3 100755
--- a/src/include/strings.h
+++ b/src/include/strings.h
@@ -113,6 +113,12 @@ public:
   int find(const char* s, int from = 0) const;
   // @cmember Sostituisce le occorrenze di <p find_char> col carattere <p replace_char>
   int replace(char find_char, char replace_char);
+	// @cmember Sostituisce le occorrenze di <p find_char> col carattere <p replace_char>
+	int replace(const char * find_string, const char* replace_string);
+	// @cmember Ritorna se è contenuta almeno un'occorrenza del carattere c nell'oggetto TString
+	bool contains(const char c, const int from = 0) const { return find(c, from) >= 0; }
+	// @cmember Ritorna se è contenuta almeno un'occorrenza della stringa s nell'oggetto TString
+	bool contains(const char* s, const int from = 0) const { return find(s, from) >= 0; }
 
   // @cmember Ritorna l'oggetto TString composto dai count caratteri da sinistra
   const TString& left(int count) const;
@@ -648,6 +654,8 @@ public:
   void insert_at(const char* s, int n);
   // @cmember Toglie la stringa di posizione pos
   void destroy(int pos);
+	// @cmember Toglie la stringa di posizione pos e la ritorna
+	const char* remove(int pos);
   
   // @cmember Ritorna il prossimo token
   const char* get();
diff --git a/src/include/utility.h b/src/include/utility.h
index 947523a19..84aada0f7 100755
--- a/src/include/utility.h
+++ b/src/include/utility.h
@@ -13,11 +13,14 @@
 #include <variant.h>
 #endif
 
+#include <lffiles.h>
+
 #define STRINGIFY(x) #x
 #define TOSTRING(x) STRINGIFY(x)
 #define SAFE_DELETE(p) { delete p; p = NULL; }
 #define DEBUG_ENABLED is_debug_station()
 
+
 class TPerformance_profiler : public TObject
 {
   TString _desc;
@@ -76,4 +79,5 @@ inline const char* get_iva_sirio()	// Ritorna la partita IVA della Sirio
 TString& to_tstring(long n);
 TString& to_tstring(int n);
 
+inline bool is_multi_table(const int file) { return file == LF_TAB || file == LF_TABGEN || file == LF_TABCOM || file == LF_TABMOD; }
 #endif /* __UTILITY_H */