import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class Main {
public static void main(String[] argv) throws Exception {
// Greedy quantifiers
String match = find("A.*c", "AbcAbc");
match = find("A.+", "AbcAbc");
}
public static String find(String patternStr, CharSequence input) {
Pattern pattern = Pattern.compile(patternStr);
Matcher matcher = pattern.matcher(input);
if (matcher.find()) {
return matcher.group();
}
return null;
}
}