diff --git a/m-string.h b/m-string.h
index 5e8e27d0..174a64e2 100644
--- a/m-string.h
+++ b/m-string.h
@@ -1965,31 +1965,31 @@ namespace m_lib {
 /***********************************************************************/
 
 /* Search for a character in a string (string, character[, start=0]) */
-#define m_string_search_char(...)                             \
+#define m_string_search_char(...)                                             \
   m_string_search_char(M_DEFAULT_ARGS(3, (0), __VA_ARGS__))
 
 /* Reverse Search for a character in a string (string, character[, start=0]) */
-#define m_string_search_rchar(...)                              \
+#define m_string_search_rchar(...)                                            \
   m_string_search_rchar(M_DEFAULT_ARGS(3, (0), __VA_ARGS__))
 
 /* Search for a C string in a string (string, c_string[, start=0]) */
-#define m_string_search_str(...)                                           \
+#define m_string_search_str(...)                                              \
   m_string_search_str(M_DEFAULT_ARGS(3, (0), __VA_ARGS__))
 
 /* Search for a string in a string (string, string[, start=0]) */
-#define m_string_search(...)                                               \
+#define m_string_search(...)                                                  \
   m_string_search(M_DEFAULT_ARGS(3, (0), __VA_ARGS__))
 
 /* PBRK for a string in a string (string, string[, start=0]) */
-#define m_string_search_pbrk(...)                                          \
+#define m_string_search_pbrk(...)                                             \
   m_string_search_pbrk(M_DEFAULT_ARGS(3, (0), __VA_ARGS__))
 
 /* Replace a C string to another C string in a string (string, c_src_string, c_dst_string, [, start=0]) */
-#define m_string_replace_str(...)                               \
+#define m_string_replace_str(...)                                             \
   m_string_replace_str(M_DEFAULT_ARGS(4, (0), __VA_ARGS__))
 
 /* Replace a string to another string in a string (string, src_string, dst_string, [, start=0]) */
-#define m_string_replace(...)                                          \
+#define m_string_replace(...)                                                 \
   m_string_replace(M_DEFAULT_ARGS(4, (0), __VA_ARGS__))
 
 /* Strim a string from the given set of characters (default is " \n\r\t") */
@@ -2043,7 +2043,7 @@ namespace m_lib {
 
 #undef m_string_search
 /* Search for a string in a string (or C string) (string, string[, start=0]) */
-#define m_string_search(...)                                               \
+#define m_string_search(...)                                                  \
   M_APPLY(M_STR1NG_SELECT3, m_string_search, m_string_search_str,             \
           M_DEFAULT_ARGS(3, (0), __VA_ARGS__) )
 #endif