注册代码

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注册代码

import java.util.Scanner;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class zhanghao {

private static final String USERNAME_PATTERN = "^1[0-9]{10}|\\w+([-+.']\\w+)*@\\w+([-.]\\w+)*\\.\\w+([-.]\\w+)*$";
//账号：手机号或者邮箱
private static final String PASSWORD_PATTERN = "((?=.*\\d)(?=.*[a-z])(?=.*[A-Z]).{6,15})";
//密码：6-15 必须包含大小写字母和数字
private static final String ID_PATTERN = "^4[0-9]{17}|4[0-9]{16}x$";
//身份证：必须以4开头，末尾可以是x
private static Object mima;

public static void main(String[] args) {

String mima = "";

System.out.println("---------------***注册账号***-------------");

Scanner sc = new Scanner(System.in);

//注册账号
while (true) {

System.out.print(" 请输入账号：\n");
String username = sc.nextLine();

Pattern pattern = Pattern.compile(USERNAME_PATTERN);
Matcher matcher = pattern.matcher(username);

if (matcher.matches()) {

break;

} else {
System.out.println(" 你的账号格式不正确\n（请输入手机号或者邮箱）");

}

}

//密码判断
while (true) {
System.out.print("请输入密码：");
String Password1 = sc.nextLine();

Pattern pattern = Pattern.compile(PASSWORD_PATTERN);
Matcher matcher = pattern.matcher(Password1);

if (matcher.matches()) {
//System.out.println("注册成功！");
mima = Password1;

break;

} else {
System.out.println("你的密码格式不正确");

}

}

//确认密码判断
while (true) {
System.out.print("请确认密码：");
String Password2 = sc.nextLine();

if (mima.equals(Password2)) {
//System.out.println("你的密码正确");
break;
} else {
System.out.println("你的密码不正确");
}

}

//身份证判断
// boolean d = true;
while (true) {
System.out.print("请输入身份证：");
String id = sc.nextLine();

Pattern pattern = Pattern.compile(ID_PATTERN);
Matcher matcher = pattern.matcher(id);

if (matcher.matches()) {
System.out.println("\n注册成功！");

break;

} else {
System.out.println("你的身份证格式不正确");

}
}

}
}

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