Example:str is a request parameter.
Tocode:
str = str.replaceAll(" ", " ");
str = str.replaceAll("/r", "");
str = str.replaceAll("/n", "<br>");
Torecode:
str = str.replaceAll("<br>", "/r/n");
str = str.replaceAll(" ", " ");
Tocode:
str = str.replaceAll(" ", " ");
str = str.replaceAll("/r", "");
str = str.replaceAll("/n", "<br>");
Torecode:
str = str.replaceAll("<br>", "/r/n");
str = str.replaceAll(" ", " ");