[Code] Cleanup Strings Header (#4950)

* [Code] Cleanup Strings Header

* Include optimize

common/database.cpp

@@ -708,6 +708,20 @@ const std::string Database::GetNPCNameByID(uint32 npc_id)
 	return e.id ? e.name : std::string();
 }
 
+template<typename InputIterator, typename OutputIterator>
+inline auto CleanMobName(InputIterator first, InputIterator last, OutputIterator result)
+{
+	for (; first != last; ++first) {
+		if (*first == '_') {
+			*result = ' ';
+		}
+		else if (isalpha(*first) || *first == '`') {
+			*result = *first;
+		}
+	}
+	return result;
+}
+
 const std::string Database::GetCleanNPCNameByID(uint32 npc_id)
 {
 	const auto& e = NpcTypesRepository::FindOne(*this, npc_id);