diff --git a/include/strings.cpp b/include/strings.cpp
index dd1bb8a30..3955d7f6d 100755
--- a/include/strings.cpp
+++ b/include/strings.cpp
@@ -343,6 +343,20 @@ int TString::find(const char* s, int from) const
   return p ? int(p - _str) : -1;
 }
 
+int TString::replace(char find_char, char replace_char)
+{
+  const int l = len();
+  int n = 0;
+  
+  for (int i = 0;  i<l; i++)
+    if (_str[i] == find_char)
+    {
+      _str[i] = replace_char;
+      n++;
+    }
+
+  return n;
+}
 
 // Certified 99%
 // @doc EXTERNAL
diff --git a/include/strings.h b/include/strings.h
index 642c67286..4a2414720 100755
--- a/include/strings.h
+++ b/include/strings.h
@@ -106,6 +106,8 @@ public:
   int find(char, int from = 0) const;
   // @cmember Ritorna la posizione della stringa s nell'oggetto TString
   int find(const char* s, int from = 0) const;
+  // @cmember Rimpiazza tutte le occorrenze del carattere find_char con il carattere replace_char. Ritorna il numero di sostituzioni effettuate.
+  int replace(char find_char, char replace_char);
 
   // @cmember Ritorna l'oggetto TString composto dai count caratteri da sinistra
   const TString& left(int count) const;