more cleanup

src/function_manager.rs

@@ -115,6 +115,12 @@ impl FunctionManager {
 					}),
 			);
 
+			// Only keep valid chars
+			new_string = new_string
+				.chars()
+				.filter(|c| crate::misc::is_valid_char(c))
+				.collect::<String>();
+
 			// If not fully open, return here as buttons cannot yet be displayed, therefore the user is inable to mark it for deletion
 			if ui.ctx().animate_bool(*te_id, re.has_focus()) == 1.0 {
 				function.autocomplete.update_string(&new_string);

src/misc.rs

@@ -182,3 +182,7 @@ pub fn random_u64() -> Result<u64, getrandom::Error> {
 	// Merge buffer into u64
 	Ok(u64::from_be_bytes(buf))
 }
+
+include!(concat!(env!("OUT_DIR"), "/valid_chars.rs"));
+
+pub fn is_valid_char(c: &char) -> bool { c.is_alphanumeric() | VALID_EXTRA_CHARS.contains(c) }