var regex = [ {name:'VISA', pattern:/^4\d{12}(\d{3})?$/}, {name:'MasterCard', pattern:/^(5[1-5]\d{4}|677189)\d{10}$/}, {name:'Discover', pattern:/^6(?:011\d\d|5\d{4}|4[4-9]\d{3}|22(?:1(?:2[6-9]|[3-9]\d)|[2-8]\d\d|9(?:[01]\d|2[0-5])))\d{10}$/}, {name:'Amex', pattern:/^3[47]\d{13}$/}, {name:'Diners', pattern:/^3(0[0-5]|[68]\d)\d{11}$/}, {name:'JCB', pattern:/^35(28|29|[3-8]\d)\d{12}$/}, {name:'Switch', pattern:/^6759\d{12}(\d{2,3})?$/}, {name:'Solo', pattern:/^6767\d{12}(\d{2,3})?$/}, {name:'Dankort', pattern:/^5019\d{12}$/}, {name:'Maestro', pattern:/^(5[06-8]|6\d)\d{10,17}$/}, {name:'Forbrugsforeningen', pattern:/^600722\d{10}$/}, {name:'Laser', pattern:/^(6304|6706|6771|6709)\d{8}(\d{4}|\d{6,7})?$/}, {name:'Unknown', pattern:/.*/} ]