static boolean isDateTime(String dateTimeString) {
boolean isValidDateTime;
if (dateTimeString.matches(DATE_TIME_PATTERN)) {
if (dateTimeString.matches(DATE_PATTERN0)) {
isValidDateTime = DateParser.isValidDay(dateTimeString);
} else {
isValidDateTime = true;
}
} else {
isValidDateTime = false;
}
return isValidDateTime;
}
