Split the string in java with change in alphabets and in groups

Question

How to split a string in java with change in alphabetical order. For example split aaaabb to aaaa & bb. I tried to sort the string by sort function but i am unable to split alphabets in groups.

Answer 1

Try with,

String str = "aaaaabbb";
String strArray[] = str.split("(?<=(.))(?!\\1)");
for(String value : strArray){
    System.out.println(value);
}