xzzz9097

/**
 * Function that inserts a specified string into another string. It uses java's StringBuilder.
 * Usage: insertStringInString("dogs cats", "and", 4) -> "dogs and cats"
 * @param string - The main string that should contain the new piece
 * @param insertion - The piece to add
 * @param position - The position from which to add the piece
 * @return - The final string
 */
public static String insertStringInString(String string, String insertion, int position) {
  // Only insert if the position is > -1 (useful with string.indexOf which returns -1

xzzz9097

/**
 * Quick method to remove a specified part of a string
 * @param remove - the string part to remove
 * @param from - the original string
 * @return - the cut string
 */
public static String removeStringFromString(String remove, String from) {
  char lastCharacter = remove.charAt(remove.length() - 1);
  int cutStart = from.lastIndexOf(lastCharacter) + 1;
  return from.substring(cutStart);