import java.util.*;
import java.util.regex.*;
import java.lang.*;
import java.io.*;
 
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		String version = "1.0.1-RC";
		Pattern versionPattern = Pattern.compile("([1-9]\\d*)\\.(\\d+)\\.(\\d+)(?:-([a-zA-Z0-9]+))?");
		Matcher matcher = versionPattern.matcher(version);
 
		if (matcher.matches()) {
 
		    System.out.println("matching version is: " + matcher.group(0));
		    System.out.println("major #: " + matcher.group(1));
		    System.out.println("minor #: " + matcher.group(2));
		    System.out.println("patch #: " + matcher.group(3));
		    System.out.println("qualifier: " + matcher.group(4) + "\n\n\n");
 
		}
	}
}

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