import
java.util.regex.Matcher;
import
java.util.regex.Pattern;
public
class
Test3 {
public
static
void
main(String[] args) {
String str =
"321AAadsajldjlkjjkjBB"
;
String regex =
"AA(.*)BB"
;
Pattern pattern = Pattern.compile(regex);
Matcher matcher = pattern.matcher(str);
while
(matcher.find()) {
System.out.println(matcher.group(
1
));
}
}
}