// strings/Replacing9.java
// TIJ4 Chapter Strings, Exercise 9, page 527
// Using the documentation for java.util.regex.Pattern as a resource,
// replace all the vowels in Splitting.knights with underscores.
import java.util.*;

public class Replacing9 {
	public static String knights =
		"Then, when you have found the shrubbery, you must " +
		"cut down the mightiest tree in the forest... " +
		"with... a herring!";
	public static void main(String[] args) {
		System.out.println(knights.replaceAll("[aeiouAEIOU]", "_"));
	}
}