Convert currencies in a message to any other currency

messageCurrencyConversion.js

function getValuesAndCurrencies(message) {
  var regex = /([$|€|£])? ?(\d+(?:[,.]\d{1,2})?) ?(k)? ?\b(NOK|SEK|USD|CAD|EUR|GBP)?\b/gi;
  var symbolToCurrency = { "$": "USD", "€": "EUR", "£": "GBP" };
  var match, value, currency;
  var result = [];
  while (match = regex.exec(message)) {
    value    = parseFloat(match[2].replace(",", ".")) * (match[3].toLowerCase() == "k" ? 1000 : 1);
    currency = (match[4] || symbolToCurrency[match[1]]) || "";
    result.push([value, currency]);
  }
  return result;
}

function convertToCurrency(value, fromCurrency, toCurrencyArr) {
  return toCurrencyArr.map(toCurrency => queryExternalCurrencyService(value, fromCurrency, toCurrency) + " " + toCurrency);
}

// this is obviously just pseudo
function queryExternalCurrencyService(value, fromCurrency, toCurrency) {
  var fakeConversions = { "USD": 8, "EUR": 8, "GBP": 9, "CAD": 6, "SEK": 1, "NOK": 1 };
  return (value / fakeConversions[fromCurrency]) * fakeConversions[toCurrency];
}

// this is obviously just pseudo
function onMessage(message) {
  getValuesAndCurrencies(message).forEach(valueCurrency => {
    var fromValue = valueCurrency[0];
    var fromCurrency = valueCurrency[1];
    var toCurrencies = ["USD", "NOK", "SEK", "GBP", "CAD", "EUR"].filter(curr => curr != fromCurrency);
    console.log(fromValue + " " + fromCurrency + " = " + convertToCurrency(fromValue, fromCurrency, toCurrencies).join(", "));
  });
}

onMessage("this is $500 in a sentence, but also 50k NOK so much!");