withoutString

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Given two strings, base and remove, return a version of the base string where all instances of the remove string have been removed (not case sensitive). You may assume that the remove string is length 1 or more. Remove only non-overlapping instances, so with "xxx" removing "xx" leaves "x".

withoutString("Hello there", "llo") → "He there"
withoutString("Hello there", "e") → "Hllo thr"
withoutString("Hello there", "x") → "Hello there"

public String withoutString(String base, String remove)
 {
      String res="";
      int i=0;
      while(i<=(base.length()-remove.length()))
       {
           if(base.substring(i,i+remove.length()).equalsIgnoreCase(remove))
           {
               i=i+remove.length();
               continue;
           }
            res=res+base.charAt(i);
            i++;
        }
        res=res+base.substring(i);
        return res;
  }