From 13c26268c8c0988de4268a498d64783899b93f83 Mon Sep 17 00:00:00 2001
From: Maix0 <39835848+Maix0@users.noreply.github.com>
Date: Fri, 24 Apr 2026 14:08:46 +0200
Subject: [PATCH] feat(ex02): fixed charset check

---
 ex02/src/main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ex02/src/main.c b/ex02/src/main.c
index 674d5a7..d81c780 100644
--- a/ex02/src/main.c
+++ b/ex02/src/main.c
@@ -277,8 +277,8 @@ bool parse_command(char* str, command* cmd) {
 			return true;
 		}
 		for (uint8_t k = 0; c[k]; k++) {
-			if (!(k >= 'a' && k <= 'z') && !(k >= 'A' && k <= 'Z') && !(k >= '0' && k <= '9') &&
-				k != '_' && k != '-') {
+			if (ft_stridx("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_",
+						  c[k]) == 255) {
 				uart_sendstring(
 					"Invalid format: SET_TAG parameter must be alphanumeric (- and _ are allowed "
 					"too)"