禁止EditText输入特殊字符

/**
     * 禁止EditText输入特殊字符
     * @param editText
     */
    public static void setEditTextInhibitInputSpeChat(EditText editText){

        InputFilter filter=new InputFilter() {
            @Override
            public CharSequence filter(CharSequence source, int start, int end, Spanned dest, int dstart, int dend) {
                String speChat = "[-:,!'\" \\\\ 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                Pattern pattern = Pattern.compile(speChat);
                Matcher matcher = pattern.matcher(source.toString());
                if(matcher.find())return "";
                else return null;
            }
        };
        editText.setFilters(new InputFilter[]{filter});
    }