package com.test;import java.util.Scanner;public class M1001{public static void main(String[] args) {String input = null;Scanner sc = new Scanner(System.in);while(sc.hasNext()){input=sc.nextLine();String regex = "^1[3|4|5|7|8][0-9]{9}$";//为表达式模板System.out.println("---------------------------");if(input.matches(regex)){System.out.println("ok");}else{System.out.println("no");}}}
}

正则表达式案例模板

正则表达式语法