public static String replaceForbiddenCharacters(String name) {
char[] charArray = name.toCharArray();
if (Character.isDigit(charArray[0])) charArray[0] = '_';
for (int i = 0; i < charArray.length; i++) {
if (Util.isForbidden(charArray[i])) {
charArray[i] = '_';
}
}
return new String(charArray);
}
