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

public class HelloWorld{
    public static void main(String []args){
        Pattern p=Pattern.compile("[\\p{Lower}]", Pattern.CASE_INSENSITIVE);
        //Pattern p=Pattern.compile("[\\p{Alpha}]");
        Matcher m=p.matcher("CF@ampim");
        if(m.find())
            System.out.println(" Result : "+m);
    }
}