JAVA 正则表达式校验身份证号码,亲测可用
public static boolean isIDNumber(String IDNumber) {
if (IDNumber == null || "".equals(IDNumber)) {
return false;
}
// 定义判别用户身份证号的正则表达式(15位或者18位,最后一位可以为字母)
String regularExpression =
"(^[1-9]\\d{5}(18|19|20)\\d{2}((0[1-9])|(10|11|12))(([0-2][1-9])|10|20|30|31)\\d{3}[0-9Xx]$)|"
+ "(^[1-9]\\d{5}\\d{2}((0[1-9])|(10|11|12))(([0-2][1-9])|10|20|30|31)\\d{3}$)";
boolean matches = IDNumber.matches(regularExpression);
// 判断第18位校验值
if (matches) {
if (IDNumber.length() == 18) {
try {
char[] charArray = IDNumber.toCharArray();
// 前十七位加权因子
int[] idCardWi = {7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2};
// 这是除以11后,可能产生的11位余数对应的验证码
String[] idCardY = {"1", "0", "X", "9", "8", "7", "6", "5", "4", "3", "2"};
int sum = 0;
for (int i = 0; i < idCardWi.length; i++) {
int current = Integer.parseInt(String.valueOf(charArray[i]));
int count = current * idCardWi[i];
sum += count;
}
char idCardLast = charArray[17];
int idCardMod = sum % 11;
if (idCardY[idCardMod].toUpperCase()
.equals(String.valueOf(idCardLast).toUpperCase())) {
return true;
} else {
System.out.println("身份证最后一位:" + String.valueOf(idCardLast).toUpperCase()
+ "错误,正确的应该是:" + idCardY[idCardMod].toUpperCase());
return false;
}
} catch (Exception e) {
e.printStackTrace();
return false;
}
} else {
return false;
}
}
return matches;
}