java regex to extract an xml element

Pattern p = Pattern.compile(“TMCAggrID.*?>\s*(\d+)\s*/TMCAggrID>”);
Matcher m = p.matcher(x);
boolean success = m.find();
if (!success) {
log.error(“Didn’t find TMCAggrID. Perhaps our regex is too strict. Won’t save to DB”);
return “”;
}
String ret = m.group(1);

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