Get list Items Using Rest API SharePoint 2013

$(document).ready(function () {
    var value = getParameterByName("pg");
   // alert(value);
    $.ajax({
        method: 'GET',
        url: window.location.origin+_spPageContextInfo.webServerRelativeUrl+"/_api/Web/lists/GetByTitle('ContentPages')/items?$select*&$filter=Title eq '"+value+"'",
        headers: { "Accept": "application/json;odata=verbose" }
    }).success(function (d, s, h, c) {
        var result = d["d"]["results"];
        if (result.length != 0) {
            $.each(result, function (i, j) {
                var content = result[0]["Content"];
                $("#divContent").html(content);
            });          
        }
    });  
});
function getParameterByName(name) {
    name = name.replace(/[\[]/, "\\[").replace(/[\]]/, "\\]");
    var regex = new RegExp("[\\?&]" + name + "=([^&#]*)"),
results = regex.exec(location.search);
    return results == null ? "" : decodeURIComponent(results[1].replace(/\+/g, " "));
}