JS 千分符

/**
 * @param s money
 * @return 千分符money
 */
function parseMoney(s){
	if(/[^0-9\.]/.test(s)) return "invalid value";
	s=s.replace(/^(\d*)$/,"$1.");
	s=(s+"00").replace(/(\d*\.\d\d)\d*/,"$1");
	s=s.replace(".",",");
	var re=/(\d)(\d{3},)/;
	while(re.test(s))
	s=s.replace(re,"$1,$2");
	s=s.replace(/,(\d\d)$/,".$1");
	return s.replace(/^\./,"0.")
}