import java.util.regex.*;
import java.util.*;

class WordInput2 {
    public static void main(String[] args) {
        Scanner userin = new Scanner(System.in);
        Pattern isWord = Pattern.compile("[A-Za-z]+");
        Matcher m;
        String word;
        
        System.out.println("Enter some words ('done' to stop):");
        do {
            word = userin.next();
            m = isWord.matcher(word);
            if ( m.matches() ) {
                System.out.printf("That word has %d letters.\n", word.length());
            } else {
                System.out.println("That wasn't a word.");
            }
        } while( !word.equals("done") );

    }
}