Dart package, which is a clone of the popular sanitize-filename npm module by Parsha Pourkhomami.
import 'package:sanitize_filename/sanitize_filename.dart';
void main() {
const unsafeUserInput = "~/.\u0000ssh/authorized_keys";
final safeUserInput1 = sanitizeFilename(unsafeUserInput);
final safeUserInput2 = sanitizeFilename(unsafeUserInput, replacement: '-');
// "~.sshauthorized_keys"
print("safeUserInput1: $safeUserInput1");
// "~-.-ssh-authorized_keys"
print("safeUserInput2: $safeUserInput2");
}