const getValueBetween = (str) => (startDelimiter, endDelimiter) =>
  str.split(startDelimiter).pop().split(endDelimiter).shift().trim();

const getValueStartingAt = (str) => (startDelimiter, numberOfChars = Infinity) =>
  str.split(startDelimiter).pop().slice(0, numberOfChars).trim();

const parseData = (getDataBetween, getDataStartingAt) => ({
  provider: getDataBetween('{', '}'),
  institution: getDataBetween('}', 'Informa:'),
  status: getDataBetween('Compra', 'Cartao'),
  cardFlag: getDataBetween('Cartao', 'final'),
  cardLastNumber: getDataBetween('final', 'de'),
  amount: getDataBetween('de', 'em'),
  dateTime: getDataStartingAt('em', 18),
  location: getDataStartingAt(/([0-9]|0[0-9]|1[0-9]|2[0-3]):[0-5][0-9]/),
});

/*------------------------------------------------*/

const data1 = '{MESTRE}Santander Informa: Compra APROVADA Cartao Mastercard final 5036 de R$ 72,60 em 18/03/18 as 16:43 AUTO POSTO SATELITE';
const data2 = '{MESTRE}Santander Informa: Compra APROVADA Cartao Mastercard final 5036 de R$ 6,50 em 18/03/18 as 17:45 ENTRE AMIGOS ';
const data3 = '{MESTRE}Santander Informa: Compra APROVADA Cartao Mastercard final 5036 de R$ 12,45 em 18/03/18 as 20:17 PARATEI RESTAURANTE';
const data4 = '{MESTRE}Santander Informa: Compra APROVADA Cartao Mastercard final 5036 de R$ 5,00 em 18/03/18 as 23:30 ESQUINA CARIOCA LOUN';

const result = {
  data1: parseData(getValueBetween(data1), getValueStartingAt(data1)),
  data2: parseData(getValueBetween(data2), getValueStartingAt(data2)),
  data3: parseData(getValueBetween(data3), getValueStartingAt(data3)),
  data4: parseData(getValueBetween(data4), getValueStartingAt(data4)),
}

/**
{
    "data1": {
        "provider": "MESTRE",
        "institution": "Santander",
        "status": "APROVADA",
        "cardFlag": "Mastercard",
        "cardLastNumber": "5036",
        "amount": "R$ 72,60",
        "dateTime": "18/03/18 as 16:43",
        "location": "AUTO POSTO SATELITE"
    },
    "data2": {
        "provider": "MESTRE",
        "institution": "Santander",
        "status": "APROVADA",
        "cardFlag": "Mastercard",
        "cardLastNumber": "5036",
        "amount": "R$ 6,50",
        "dateTime": "18/03/18 as 17:45",
        "location": "ENTRE AMIGOS"
    },
    "data3": {
        "provider": "MESTRE",
        "institution": "Santander",
        "status": "APROVADA",
        "cardFlag": "Mastercard",
        "cardLastNumber": "5036",
        "amount": "R$ 12,45",
        "dateTime": "18/03/18 as 20:17",
        "location": "PARATEI RESTAURANTE"
    },
    "data4": {
        "provider": "MESTRE",
        "institution": "Santander",
        "status": "APROVADA",
        "cardFlag": "Mastercard",
        "cardLastNumber": "5036",
        "amount": "R$ 5,00",
        "dateTime": "18/03/18 as 23:30",
        "location": "ESQUINA CARIOCA LOUN"
    }
}
*/