String eL = "[0-9]{4}-[0-9]{2}-[0-9]{2}";
Pattern p = Pattern.compile(eL);
Matcher m = p.matcher(date);
boolean dateFlag = m.matches();
if (!dateFlag) {
System.out.println("格式错误");
}
System.out.println("格式正确");
String eL = "[0-9]{4}-[0-9]{2}-[0-9]{2}";
Pattern p = Pattern.compile(eL);
Matcher m = p.matcher(date);
boolean dateFlag = m.matches();
if (!dateFlag) {
System.out.println("格式错误");
}
System.out.println("格式正确");