@getdelta/wallet-address-validator/src/nxt_validator.js

Wallet address validator for Bitcoin and other Altcoins.

const nxtRegex = new RegExp('^NXT(-[A-Z0-9]{4}){3}-[A-Z0-9]{5}$')

module.exports = {
  isValidAddress: function (address, currency, networkType) {
	if (!nxtRegex.test(address)) {
		return false;
	}
	return true;
  }
}