private static final Pattern HTML_ENTITY_PATTERN = Pattern.compile("&(?!(?:[a-z0-9]+|#[0-9]{1,6}|#x[0-9a-fA-F]{1,6});)");

private String normalizedFiled(String inField) {
    // When we encounter a '&' we check if it starts an HTML entity then we skip it, otherwise
    // we should replace it with '&' to be rendered correctly.
    return HTML_ENTITY_PATTERN.matcher(inField).replaceAll("&") // Replace & with & if it does not begin an HTML entity
                  .replaceAll("\\\\&", "&") // Replace \& with &
                  .replaceAll("[\\n]{2,}", "<p>") // Replace double line breaks with <p>
                  .replace("\n", "<br>") // Replace single line breaks with <br>
                  .replace("\\$", "&dollar;") // Replace \$ with &dollar;
                  .replaceAll("\\$([^$]*)\\$", "\\{$1\\}");
}