code: public String numerify(String numberString, int from, int to) {
  		return replaceSymbolWithCharsFromTo(numberString, '#', Character.forDigit(from, 10), Character.forDigit(to, 10));
  	}
docs: Replaces all {@code '#'} characters with random numbers from [{@code from} - {@code to}] range
  
  @param numberString text to process
  @param from         start of the range
  @param to           end of the range
  @return text with replaced '#' characters