return !unicode.IsLetter(c) && !unicode.IsNumber(c) && c != '.' && c != '*' && c != '_' && c != '$' && c != '@'
}

// CheckTruth check string true or not
func CheckTruth(vals ...string) bool {
	for _, val := range vals {
		if val != "" && !strings.EqualFold(val, "false") {
			return true
		}
	}
	return false
}

func ToStringKey(values ...interface{}) string {
	results := make([]string, len(values))

        String name = "getValues";
        String[] values = { "val1", "val2", "val3" };
        RequestParameter param = new RequestParameter(name, values);

        String[] retrievedValues = param.getValues();
        assertNotNull(retrievedValues);
        assertEquals(3, retrievedValues.length);
        assertEquals("val1", retrievedValues[0]);
        assertEquals("val2", retrievedValues[1]);
        assertEquals("val3", retrievedValues[2]);