diff --git a/source/ublsettings.h b/source/ublsettings.h
index ee573fc..3b31e82 100644
--- a/source/ublsettings.h
+++ b/source/ublsettings.h
@@ -279,6 +279,8 @@ void *yon_dictionary_free_all(dictionary *dictionary,void (data_manipulation)(vo
 
 #define yon_char_is_empty(string) !(string&&strcmp(string,""))
 
+#define yon_char_return_if_exist(string,opposite) string&&strcmp(string,"")?string:opposite
+
 int yon_char_find_last(char *source, char find);
 
 /**[EN]