Pattern: compile('[a-z]+')
/* * Output: Match: www Match: java Match: s Match: com * */ import java.util.regex.Matcher; import java.util.regex.Pattern; public class MainClass { public static void main(String args[]) { // Match lowercase words. Pattern pat = Pattern.compile("[a-z]+"); Matcher mat = pat.matcher("www.java2s.com."); while (mat.find()) System.out.println("Match: " + mat.group()); } }