SOURCE

var body1 = `123  23
1000113700005953171     
456
1234

       123333
abc dsafdsa
1000113700005951591  
   1000113700005951264       
ok`;


// 正则，19位卡号
const re = /^1000[0-9]{15}$/;

// 换行拆分
var rows = body1.split(/[(\r\n)\r\n]+/);

var cards = [];

// 匹配
// ECMASCRIPT 6
// var cards = rows.filter(card => card.trim().match(re));

rows.forEach(function (item, index) {
    if (item == "third") {
        //throw new Error("EndIterative");
    }
    var card = item.trim().match(re);
    if (card) cards.push(card[0]);
    //alert(item);// first,sencond
});
// console.log(cards[1][0]);

var str_cards = JSON.stringify(cards);
console.log(str_cards);