diff --git a/srcs/HandleString/HandlingString.cpp b/srcs/HandleString/HandlingString.cpp
index 7f56d25b..d1118b4c 100644
--- a/srcs/HandleString/HandlingString.cpp
+++ b/srcs/HandleString/HandlingString.cpp
@@ -204,3 +204,8 @@ std::string HandlingString::obtain_afterword(const std::string other, char delim
 {
 	return other.substr(other.find(delimiter) + 1);
 }
+
+double	HandlingString::obtain_weight(const std::string &other)
+{
+	return (HandlingString::str_to_double(HandlingString::obtain_afterword(other, '=')));
+}
diff --git a/srcs/includes/HandlingString.hpp b/srcs/includes/HandlingString.hpp
index bfbc85cf..6a4e7753 100644
--- a/srcs/includes/HandlingString.hpp
+++ b/srcs/includes/HandlingString.hpp
@@ -30,6 +30,7 @@ class HandlingString
 		static	void						ft_strcpy(char *input_memory, std::string const &sub);
 		static	std::string					obtain_beforeword(const std::string other, char delimiter);
 		static	std::string					obtain_afterword(const std::string other, char delimiter);
+		static	double						obtain_weight(const std::string &other);
 };
 
 #endif
\ No newline at end of file