import java.util.*;
import java.lang.*;
import java.io.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
 
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		String regex = "^([^\\d\\r\\n]+?)(?:\\h*(\\d.*)|$)";
		String string = "Lievensberg 31D\n"
		 + "Jablunkovska 21/2\n"
		 + "Weimarstraat 113 A\n"
		 + "Pastoor Baltesenstraat 22\n"
		 + "Van Musschenboek strasse 84\n"
		 + "Lievensberg";
 
		Pattern pattern = Pattern.compile(regex, Pattern.MULTILINE);
		Matcher matcher = pattern.matcher(string);
 
		while (matcher.find()) {
	        System.out.println("Street: " + matcher.group(1));
	        if (matcher.group(2) != null) {
	        	System.out.println("Number: " + matcher.group(2));	
	        }
	        System.out.println("------------------");
		}
	}
}

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