// Define a function. import 'dart:convert'; import 'package:crypto/crypto.dart'; void printInteger(int aNumber) { print('The number is $aNumber.'); // Print to console. } // This is where the app starts executing. void main() { String dataMatrix = "00000046208262nZ2qnLHODVFWktT"; String numberText = dataMatrix.replaceAll(RegExp("[a-zA-Z]"), ''); print(int.parse(numberText)); String salt = '!=uF:w1N_Salh?1gVSJ#eGfJYHA(wS4D'; String hash = md5.convert(utf8.encode('uvaissov@gmail.com$salt')).toString(); print(hash); String value = "100.0"; print(double.parse(value)); }