将 1.0.0.apk 替换为 1.0.0.(1).apk
public static void main(String[] args) {
String version = "1.0.0.apk";
String pattern = "(.*)(\\.([A-Za-z0-9])*)$";
Pattern r = Pattern.compile(pattern);
Matcher m = r.matcher(version);
m.matches();
String result = m.group(1) + ".(1)" + m.group(2);
}
