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import java.util.Scanner;
public class TestSpace
{
public static void main(String[] args)
{
Scanner scan = new Scanner(System.in);
String hasread = scan.next();
String pat= "^\\d\\s\\d";//空格\\x20或者“ ”都不行,我试过了
if(hasread.matches(pat))
{
System.out.println(hasread);
}
else
System.out.println("what's wrong?");
}
}
package com.ricky.www;
import java.util.regex.Pattern;
import java.util.regex.Matcher;
public class Test1{
public static void main(String[] args){
String regex = "^\\d{3}[- ]\\d{4}[ -]\\d{11}$";
Pattern pattern = Pattern.compile(regex);
String phone = "080 0736 13786238566";
Matcher matcher = pattern.matcher(phone);
System.out.println(matcher.matches());
}
}
String hasread = scan.next();
package com.ricky.www;
import java.util.Scanner;
import java.util.regex.Pattern;
import java.util.regex.Matcher;
public class Test{
public static void main(String[] args){
String format = "number separate number";
System.out.println("input the message like this: " + format);
Scanner input = new Scanner(System.in);
String message = input.nextLine();
String regex = "\\d+\\s+\\d+";
Pattern pattern = Pattern.compile(regex);
Matcher matcher = pattern.matcher(message);
if(matcher.find()){
System.out.println(message);
}else{
System.out.println("what's wrong?");
}
}
}