Remove doubled letter from a string using java

Question

I need to remove a doubled letter from a string using regex operations in java. Eg: PRINCEE -> PRINCE APPLE -> APLE

Answer 1

This can be done simply by iterating over the String instead of having to resort to regexes.

StringBuilder ret=new StringBuilder(text.length());

if (text.length()==0) return "";
ret.append(text.charAt(0));
for(int i=1;i