import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class MatcherReplaceAllExample {
public static void main(String args[]) {
Pattern p = Pattern.compile("(i|I)ce");
//create the candidate String
String candidateString = "I love ice. Ice is my favorite. Ice Ice Ice.";
Matcher matcher = p.matcher(candidateString);
String tmp = matcher.replaceAll("Java");
System.out.println(tmp);
}
}