12345678910111213141516171819202122// input your code here// 영문 + 숫자 public InputFilter filterAlphaNum = new InputFilter() { public CharSequence filter(CharSequence source, int start, int end, Spanned dest, int dstart, int dend) { Pattern ps = Pattern.compile("^[a-zA-Z0-9]*$"); if (!ps.matcher(source).matches()) { return ""; } return null; } }; // 한글 public InputFilter filterKor = new InputFilte..