gireesh092

sudo dpkg --configure -a

gireesh092

import 'package:sqflite/sqflite.dart';
import 'dart:async';
import 'dart:io';
import 'package:path_provider/path_provider.dart';

import 'package:notebuddy/models/note.dart';

class DatabaseHelper {
  static Database _database;
  static DatabaseHelper _databaseHelper; //SINGLETON DBHELPER

gireesh092

  String _validateEmail(String value) {
    Pattern pattern =
        r'^(([^<>()[\]\\.,;:\s@\"]+(\.[^<>()[\]\\.,;:\s@\"]+)*)|(\".+\"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$';
    RegExp regExp = new RegExp(pattern);
    if (value.isEmpty) {
      return "Please enter an E-Mail ID.";
    } else if (!regExp.hasMatch(value)) {
      return "Invalid E-Mail address.";
    } else {
      return null;