riot26

function formatStringToDate(dateString) {
    var regex = /(\d{2}).(\d{2}).(\d{4}) (\d{2}):(\d{2})/;
    var dateArray = regex.exec(dateString); 
    var dateObject = new Date(
        (+dateArray[3]),
        (+dateArray[2])-1,
        (+dateArray[1]),
        (+dateArray[4]),
        (+dateArray[5])
    );
    return dateObject;
}

var str1 = '30.10.2015 19:53';
var str2 = '26.04.2016 16:23';
var date1 = formatStringToDate(str1);
var date2 = formatStringToDate(str2);
if (date1 > date2) {
	alert('date1>date2');
} else if (date2 > date1) {
    alert('date1<date2');
} else {
    alert('date1=date2');
}