var MY_URL = 'dostavista.ru/?utm_source=yandex_direct&utm_medium=cpc&utm_campaign=Kurer-Moskva-Broad-Search-Top&utm_content=obyvID_{ad_id}|ph_{phrase_id}|drf_{addphrases}|drfyn_{addphrasestext}|pst_{position_type}_{position}|dev_{device_type}|kampID_{campaign_id}|camtype_{campaign_type}|retar_{retargeting_id}|rg_{region_name}&utm_term={keyword}&utm_sity=Moskva';

var matched = MY_URL.match(/[\?\&]{1}utm_sity=([^\&]+)/i);
var dimensionValue = matched ? matched[1] : '';