code: public static int lastIndexOfIgnoreCase(String pString, int pChar) {
          return lastIndexOfIgnoreCase(pString, pChar, pString != null ? pString.length() : -1);
      }
docs: Returns the index within this string of the last occurrence of the
  specified character.
  
  @param pString The string to test
  @param pChar   The character to look for
  @return if the string argument occurs as a substring within this object,
  then the index of the first character of the first such substring is
  returned; if it does not occur as a substring, -1 is returned.
  @see String#lastIndexOf(int)