题解 | #邮箱验证#
邮箱验证
http://www.nowcoder.com/practice/8f908eeee4aa412ca88304f0acbaa1f9
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
String str = scanner.next();
String emailMatcher="[a-zA-Z0-9]+@[a-zA-Z0-9]+\\.[a-zA-Z0-9]+";
//write your code here......
//matches方法：用于两个字符串之间的字符一一匹配，用于正则表达式的匹配
if(str.matches(emailMatcher)){
System.out.println("邮箱格式合法");
}else{
System.out.println("邮箱格式不合法");
}
}
}
