java替换换行符、制表符、空格等

Pattern p = Pattern.compile("\\t|\r|\n");
            //替换主表中的换行符为<br/>
            if (visitData.getFormData()!=null) {
                 Matcher m = p.matcher(visitData.getFormData());
                 visitData.setFormData(m.replaceAll("<br/>"));
            }