Question

How to extract two numbers from string with a regex in Java

Answer 1

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

public class Program {
    public static void main(String[] args) {
        String str = "c# 12 java 17";
        
        Pattern pattern = Pattern.compile("\\d+");
        Matcher matcher = pattern.matcher(str);
        
        if (matcher.find()) {
            int num1 = Integer.parseInt(matcher.group());
            System.out.println(num1);
            
            if (matcher.find()) {
                int num2 = Integer.parseInt(matcher.group());
                System.out.println(num2);
            }
        }
    }
}




/*
run:
  
12
17
  
*/

 

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