Regex para identificar bandeiras do cartão de crédito

iin_card

Amex: ^3[47][0-9]{13}$
Aura: /^((?!504175))^((?!5067))(^50[0-9])/
Banese Card: '^636117'
Cabal: '(60420[1-9]|6042[1-9][0-9]|6043[0-9]{2}|604400)'
Diners: '(36[0-8][0-9]{3}|369[0-8][0-9]{2}|3699[0-8][0-9]|36999[0-9])
Discover: /^6(?:011|5[0-9]{2})[0-9]{12}/
Elo: /^4011(78|79)|^43(1274|8935)|^45(1416|7393|763(1|2))|^50(4175|6699|67[0-6][0-9]|677[0-8]|9[0-8][0-9]{2}|99[0-8][0-9]|999[0-9])|^627780|^63(6297|6368|6369)|^65(0(0(3([1-3]|[5-9])|4([0-9])|5[0-1])|4(0[5-9]|[1-3][0-9]|8[5-9]|9[0-9])|5([0-2][0-9]|3[0-8]|4[1-9]|[5-8][0-9]|9[0-8])|7(0[0-9]|1[0-8]|2[0-7])|9(0[1-9]|[1-6][0-9]|7[0-8]))|16(5[2-9]|[6-7][0-9])|50(0[0-9]|1[0-9]|2[1-9]|[3-4][0-9]|5[0-8]))/
Fort Brasil: '^628167'
GrandCard: '^605032'
Hipercard: ^606282|^3841(?:[0|4|6]{1})0
JCB: /^(?:2131|1800|35\d{3})\d{11}/
Mastercard: ^((5(([1-2]|[4-5])[0-9]{8}|0((1|6)([0-9]{7}))|3(0(4((0|[2-9])[0-9]{5})|([0-3]|[5-9])[0-9]{6})|[1-9][0-9]{7})))|((508116)\\d{4,10})|((502121)\\d{4,10})|((589916)\\d{4,10})|(2[0-9]{15})|(67[0-9]{14})|(506387)\\d{4,10})
Personal Card: '^636085'
Sorocred: '^627892|^636414'
Valecard: '^606444|^606458|^606482'
Visa: ^4[0-9]{15}$

https://tgdeveloper.com/blog/verificar-bandeira-de-cartao-de-credito-em-javascript

var tgdeveloper = {
    /**
    * getCardFlag
    * Return card flag by number
    *
    * @param cardnumber
    */   
    getCardFlag: function(cardnumber) {
        var cardnumber = cardnumber.replace(/[^0-9]+/g, '');
        var cards = {
            visa      : /^4[0-9]{12}(?:[0-9]{3})/,
            mastercard : /^5[1-5][0-9]{14}/,
            diners    : /^3(?:0[0-5]|[68][0-9])[0-9]{11}/,
            amex      : /^3[47][0-9]{13}/,
            discover  : /^6(?:011|5[0-9]{2})[0-9]{12}/,
            hipercard  : /^(606282\d{10}(\d{3})?)|(3841\d{15})/,
            elo        : /^((((636368)|(438935)|(504175)|(451416)|(636297))\d{0,10})|((5067)|(4576)|(4011))\d{0,12})/,
            jcb        : /^(?:2131|1800|35\d{3})\d{11}/,       
            aura      : /^(5078\d{2})(\d{2})(\d{11})$/     
        };
        for (var flag in cards) {
            if(cards[flag].test(cardnumber)) {
                return flag;
            }
        }
        return false;
    }
}

https://stackoverflow.com/questions/5911236/identify-card-type-from-card-number
https://stackoverflow.com/questions/6176802/how-to-validate-a-credit-card-number
https://davidwalsh.name/validate-credit-cards
https://dev.to/deciduously/validate-a-credit-card-number-with-functional-javascript-54oe
https://www.w3resource.com/javascript/form/credit-card-validation.php

https://gist.github.com/erikhenrique/5931368

Elo:
/^(4011(78|79)|43(1274|8935)|45(1416|7393|763(1|2))|50(4175|6699|67[0-7][0-9]|9000)|50(9[0-9][0-9][0-9])|627780|63(6297|6368)|650(03([^4])|04([0-9])|05(0|1)|05([7-9])|06([0-9])|07([0-9])|08([0-9])|4([0-3][0-9]|8[5-9]|9[0-9])|5([0-9][0-9]|3[0-8])|9([0-6][0-9]|7[0-8])|7([0-2][0-9])|541|700|720|727|901)|65165([2-9])|6516([6-7][0-9])|65500([0-9])|6550([0-5][0-9])|655021|65505([6-7])|6516([8-9][0-9])|65170([0-4]))/
https://gist.github.com/erikhenrique/5931368#gistcomment-2746960

/^4011(78|79)|^43(1274|8935)|^45(1416|7393|763(1|2))|^50(4175|6699|67[0-6][0-9]|677[0-8]|9[0-8][0-9]{2}|99[0-8][0-9]|999[0-9])|^627780|^63(6297|6368|6369)|^65(0(0(3([1-3]|[5-9])|4([0-9])|5[0-1])|4(0[5-9]|[1-3][0-9]|8[5-9]|9[0-9])|5([0-2][0-9]|3[0-8]|4[1-9]|[5-8][0-9]|9[0-8])|7(0[0-9]|1[0-8]|2[0-7])|9(0[1-9]|[1-6][0-9]|7[0-8]))|16(5[2-9]|[6-7][0-9])|50(0[0-9]|1[0-9]|2[1-9]|[3-4][0-9]|5[0-8]))/
https://gist.github.com/gusribeiro/263a165db774f5d78251#gistcomment-3654776