NonCapturingGroupExample.java Source code

Introduction

Here is the source code for NonCapturingGroupExample.java

Source

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

public class NonCapturingGroupExample {
    public static void main(String args[]) {
        String regex = "hello|hi|greetings|(?:good morning)";

        String candidate1 = "Java2s say hi to you";
        String candidate2 = "Java2s say good morning to you";
        Pattern pattern = Pattern.compile(regex);

        Matcher matcher = pattern.matcher(candidate1);
        System.out.println("GROUP COUNT:" + matcher.groupCount());

        if (matcher.find())
            System.out.println("GOT 1:" + candidate1);

        matcher.reset();
        matcher = pattern.matcher(candidate2);

        System.out.println("GROUP COUNT:" + matcher.groupCount());

        if (matcher.find())
            System.out.println("GOT 2:" + candidate2);
    }
}