xml首字母转大写

 	/**
     * xml标签首字母转成大写
     */
    public static String xmlTagCapitalize(String xmlStr) {
        String regex = "<(/*[A-Za-z]+)>";
        Matcher matcher = Pattern.compile(regex).matcher(xmlStr);
        StringBuffer sb = new StringBuffer();
        while (matcher.find()) {
            String str = matcher.group(1);
            if(!str.startsWith("/")) {
                matcher.appendReplacement(sb, "<" + (StringUtils.capitalize (str)) + ">");
            }else {
                matcher.appendReplacement(sb, "</" + (StringUtils.capitalize (str.substring(1, str.length()))) + ">");
            }

        }
        matcher.appendTail(sb);
        return sb.toString();
    }

stringUtils导入apache的commons的lang3包

import org.apache.commons.lang3.StringUtils;