```java
// Split URL into protocol, domain, port and URI
Pattern pattern = Pattern.compile("(https?://)([^:^/]*)(:\\d*)?(.*)?");
Matcher matcher = pattern.matcher(url);
matcher.find();
String protocol = matcher.group(1);
String domain = matcher.group(2);
String port = matcher.group(3);
String uri = matcher.group(4);
```