alert complex message in html

Utilities.java

import java.util.*;
public class Utilities {
  private static final Pattern pDquote = Pattern.compile("\"");
  private static final Pattern pSquote = Pattern.compile("'");
  private static final Pattern pBackSlash = Pattern.compile("\\\\");
  private static final Pattern pNewline = Pattern.compile("[\n\r]+");

  public static String alertInner(String msg) {
    return msg == null || msg.trim().isEmpty() ? "" : pNewline.matcher(
      pSquote.matcher(pDquote.matcher(pBackSlash.matcher(msg).replaceAll("\\\\\\\\")).replaceAll(""")).replaceAll("\\\\'")).replaceAll("\\\\r\\\\n");
  }

  public static String alertInFunc(String msg) {
    return msg == null || msg.trim().isEmpty() ? "" : pNewline.matcher(
      pSquote.matcher(pDquote.matcher(pBackSlash.matcher(msg).replaceAll("\\\\\\\\")).replaceAll("\\\\\"")).replaceAll("\\\\'")).replaceAll("\\\\n");
  }
}