import java.util.regex.Matcher;
import java.util.regex.Pattern;
class Main {
public static final String EMAIL_PATTERN_STR = "^(.+)@(.+)$";
private static final Pattern EMAIL_PATTERN = Pattern
.compile(EMAIL_PATTERN_STR);
public static boolean isEmail(String text) {
Matcher m = EMAIL_PATTERN.matcher(text);
if (!m.find()) {
return false;
} else {
return true;
}
}
}