matifdeveloper

extension StringExtension on String {
  String? getTextInsideBrackets() {
    RegExp regExp = RegExp(r'\[([^\]]*)\]');
    RegExpMatch? match = regExp.firstMatch(this);

    return match?.group(1);
  }
}

void main() {

matifdeveloper

void main() {
  String a = "Hello welcome [to] pakistan.";
  RegExp regExp = RegExp(r'\[([^\]]*)\]');

  // Option 1: Declare match as nullable
  RegExpMatch? match = regExp.firstMatch(a);

  // Option 2: Use the null-aware operator (!) to assert non-null
  // Match match = regExp.firstMatch(a)!;

matifdeveloper

import 'package:flutter/material.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(

matifdeveloper

void main() {
  print(isURL('https://dartpad.dev/?'));
}

bool isURL(String value) {
  final uri = Uri.parse(value);
  if (uri.scheme == 'http' || uri.scheme == 'https') {
    return true;
  } else {
    return false;

matifdeveloper

import 'dart:core';

bool isValidUKDrivingLicense(String input) {
  RegExp regex = RegExp(r'^[A-Z9]{5}\d{6}[A-Z9]{2}\d[A-Z]{2}$');
  return regex.hasMatch(input);
}

void main() {
  String drivingLicense = 'BILAL002031M99ZE'; // Replace with your driving license number
  if (isValidUKDrivingLicense(drivingLicense)) {

matifdeveloper

void main() {
  
  List a = [1,2,3,4,5];
  List b = [6,7,8,9,1];

  Map<int, int> commonData = {};

  int maxLength = a.length > b.length ? a.length : b.length;
  int minLength = a.length < b.length ? a.length : b.length;
  

matifdeveloper

import 'dart:math';

void main() {
  // Create a random number generator
  Random random = Random();

  // Generate a random integer between 1 and 1000
  int randomValue = random.nextInt(1000) + 1;

  print('Random value between 1 and 1000: $randomValue');

matifdeveloper

void main() {
  final dateTime = DateTime.now().subtract(const Duration(days:1));
  
  print(dateTime);
  
}

matifdeveloper

void main() {
  String dateString = "19/8/1998"; // Replace with your date string

List<String> dateComponents = dateString.split('/');

if (dateComponents.length == 3) {
  int day = int.parse(dateComponents[0]);
  int month = int.parse(dateComponents[1]);

    print("Day: $day");

matifdeveloper

void main() {


List<String> timeStrings = [
  "1 AM", "2 AM", "3 AM", "4 AM", "5 AM", "6 AM", "7 AM", "8 AM", "9 AM", "10 AM", "11 AM", "12 AM",
  "1 PM", "2 PM", "3 PM", "4 PM", "5 PM", "6 PM", "7 PM", "8 PM", "9 PM", "10 PM", "11 PM", "12 PM"
];

int index = 15; // Replace with the index you want to retrieve (0-based)