import java.util.regex.*;
class Main
{
public static void main(String[] args)
{
String txt="42 43";
String re1="(\\d+)";
String re2="( )";
String re3="(\\d+)";
Pattern p = Pattern.compile(re1+re2+re3,Pattern.CASE_INSENSITIVE | Pattern.DOTALL);
Matcher m = p.matcher(txt);
if (m.find())
{
String int1=m.group(1);
String ws1=m.group(2);
String int2=m.group(3);
System.out.print("("+int1.toString()+")"+"("+ws1.toString()+")"+"("+int2.toString()+")"+"\n");
}
}
}
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