// URL that generated this code:
// http://txt2re.com/index-java.php3?s=42%2043&2 
import java.util.regex.*;
class Main
{
  public static void main(String[] args)
  {
    String txt="42 43";
    String re1=".*?";	// Non-greedy match on filler
    String re2="\\d+";	// Uninteresting: int
    String re3=".*?";	// Non-greedy match on filler
    String re4="(\\d+)";	// Integer Number 1
    Pattern p = Pattern.compile(re1+re2+re3+re4,Pattern.CASE_INSENSITIVE | Pattern.DOTALL);
    Matcher m = p.matcher(txt);
    if (m.find())
    {
        String int1=m.group(1);
        System.out.print("("+int1.toString()+")"+"\n");
    }
  }
}
//-----
// This code is for use with Sun's Java VM - see http://java.sun.com/ for downloads. 
//
// Paste the code into a new java application or a file called 'Main.java'
//
// Compile and run in Unix using:
// # javac Main.java 
// # java Main 
//