diff --git a/ft_split.c b/ft_split.c
deleted file mode 100644
index 73b7949..0000000
--- a/ft_split.c
+++ /dev/null
@@ -1,111 +0,0 @@
-/* ************************************************************************** */
-/*                                                                            */
-/*                                                        :::      ::::::::   */
-/*   ft_split.c                                         :+:      :+:    :+:   */
-/*                                                    +:+ +:+         +:+     */
-/*   By: lderidde <lderidde@student.s19.be>         +#+  +:+       +#+        */
-/*                                                +#+#+#+#+#+   +#+           */
-/*   Created: 2024/07/17 12:48:12 by lderidde          #+#    #+#             */
-/*   Updated: 2024/07/25 14:13:12 by lderidde         ###   ########.fr       */
-/*                                                                            */
-/* ************************************************************************** */
-
-#include <stdlib.h>
-
-int	check_sep(char c, char *charset)
-{
-	while (*charset)
-	{
-		if (c == *charset)
-			return (1);
-		charset++;
-	}
-	return (0);
-}
-
-int	count_strings(char *str, char *charset)
-{
-	int	i;
-	int	count;
-
-	i = 0;
-	count = 0;
-	while (str[i])
-	{
-		if (!(check_sep(str[i], charset))
-			&& (check_sep(str[i + 1], charset)
-				|| str[i + 1] == '\0'))
-			count++;
-		i++;
-	}
-	return (count);
-}
-
-void	build_str(char *charset, char *src, char *dest)
-{
-	int	i;
-
-	i = 0;
-	while (src[i] && !(check_sep(src[i], charset)))
-	{
-		dest[i] = src[i];
-		i++;
-	}
-	dest[i] = '\0';
-}
-
-void	build_tab(char **tab, char *str, char *charset)
-{
-	int	i;
-	int	count;
-	int	j;
-
-	i = 0;
-	count = 0;
-	while (str[i])
-	{
-		if (check_sep(str[i], charset))
-			i++;
-		else
-		{
-			j = 0;
-			while (!(check_sep(str[j + i], charset)) && str[j + i])
-				j++;
-			tab[count] = malloc(sizeof(char) * (j + 1));
-			build_str(charset, &str[i], tab[count]);
-			count++;
-			i = i + j;
-		}
-	}
-}
-
-char	**ft_split(char *str, char *charset)
-{
-	int		count;
-	char	**tab;
-
-	count = count_strings(str, charset);
-	tab = malloc(sizeof(char *) * (count + 1));
-	if (tab == NULL)
-		return (NULL);
-	tab[count] = 0;
-	build_tab(tab, str, charset);
-	return (tab);
-}
-/*
-#include <stdio.h>
-int main (int argc, char **argv)
-{
-	int	i = 0;
-	(void)argc;
-	char **res = ft_split(argv[1], argv[2]);
-	int len = count_strings(argv[1], argv[2]);
-	while (i < len)
-	{
-		printf("%s\n", res[i]);
-		free(res[i]);
-		i++;
-	}
-	free(res);
-}
-*/
diff --git a/lib/libft/libft.h b/lib/libft/libft.h
index 56a9638..e8c894e 100644
--- a/lib/libft/libft.h
+++ b/lib/libft/libft.h
@@ -58,7 +58,8 @@ char	*ft_itoa(int n);
 void	*ft_calloc(size_t count, size_t size);
 void	ft_bzero(void *s, size_t n);
 
-char	**ft_split(const char *s, char c);
+char	**ft_split(const char *s, char *set);
+int		is_charset(char c, char *set);
 void	free_tab(char **tab);
 
 void	ft_put_c_fd(char c, int fd);
diff --git a/lib/libft/srcs/format/ft_split.c b/lib/libft/srcs/format/ft_split.c
index 6bb27c6..e31a914 100644
--- a/lib/libft/srcs/format/ft_split.c
+++ b/lib/libft/srcs/format/ft_split.c
@@ -12,77 +12,85 @@
 
 #include "../../libft.h"
 
-static int	ft_word_count(const char *str, char c)
+static char	**free_all(char **tab, int count)
+{
+	int	i;
+
+	i = 0;
+	while (i < count)
+	{
+		free(tab[i]);
+		i++;
+	}
+	free(tab);
+	return (NULL);
+}
+
+static int	count_strings(char const *s, char *set)
 {
 	int	count;
 
-	if (!str)
-		return (0);
 	count = 0;
-	while (*str)
+	while (*s)
 	{
-		while (*str && *str == c)
-			str++;
-		if (*str && *str != c)
-			count++;
-		while (*str && *str != c)
-			str++;
+		if (!is_charset(*s, set) && is_charset(*(s + 1), set)
+				|| *(s + 1) == '\0')
+			count ++;
+		s++;
 	}
 	return (count);
 }
 
-static char	*malloccpy(const char *str, char c)
+static	void	build_str(char const *src, char *dest, char *set)
 {
-	char	*result;
-	int		i;
+	int	i;
 
 	i = 0;
-	while (str[i] && str[i] != c)
-		i++;
-	result = (char *)malloc(sizeof(char) * (i + 1));
-	if (!result)
-		return (NULL);
-	ft_strlcpy(result, str, i + 1);
-	return (result);
-}
-
-void	free_tab(char **tab)
-{
-	char	**pos;
-
-	if (!tab)
-		return ;
-	pos = tab;
-	while (*pos != NULL)
-		free(*(pos++));
-	free(tab);
-}
-
-char	**ft_split(const char *s, char c)
-{
-	char	**result;
-	int		i;
-	int		strs_len;
-
-	if (!s)
-		return (NULL);
-	strs_len = ft_word_count(s, c);
-	result = (char **)malloc(sizeof(char *) * (strs_len + 1));
-	if (!result)
-		return (NULL);
-	i = -1;
-	while (++i < strs_len)
+	while (src[i] && !is_charset(src[i], set))
 	{
-		while (*s && *s == c)
-			s++;
-		result[i] = malloccpy(s, c);
-		if (!result[i])
-		{
-			free_tab(result);
-			return (NULL);
-		}
-		s += ft_strlen(result[i]);
+		dest[i] = src[i];
+		i++;
 	}
-	result[i] = 0;
-	return (result);
+	dest[i] = '\0';
+}
+
+static	char	**build_tab(char **tab, char const *s, char *set)
+{
+	int	i;
+	int	j;
+	int	count;
+
+	i = 0;
+	count = 0;
+	while (tab && s[i])
+	{
+		if (is_charset(s[i], set))
+			i++;
+		else
+		{
+			j = 0;
+			while (!is_charset(s[i + j], set) && s[i + j])
+				j++;
+			tab[count] = ft_calloc((j + 1), sizeof(char));
+			if (!tab[count])
+				return (free_all(tab, count));
+			build_str(&s[i], tab[count++], set);
+			i = i + j;
+		}
+	}
+	return (tab);
+}
+
+char	**ft_split(char const *s, char *set)
+{
+	int		count;
+	char	**tab;
+
+	count = count_strings(s, set);
+	tab = ft_calloc(count + 1, sizeof(char *));
+	if (!tab)
+		return (NULL);
+	tab[count] = 0;
+	tab = build_tab(tab, s, set);
+	return (tab);
 }
diff --git a/lib/libft/srcs/format/ft_split_utils.c b/lib/libft/srcs/format/ft_split_utils.c
new file mode 100644
index 0000000..e83f3f8
--- /dev/null
+++ b/lib/libft/srcs/format/ft_split_utils.c
@@ -0,0 +1,15 @@
+#include "lib/libft/libft.h"
+
+int	is_charset(char c, char *set)
+{
+	int	i;
+
+	i = 0;
+	while (set[i])
+	{
+		if (c == set[i])
+			return (1);
+		i++;
+	}
+	return (0);
+}