Software_engineering_lab_2

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Text.RegularExpressions;

namespace WindowsFormsApp1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void textBox1_TextChanged(object sender, EventArgs e)
        {
            textBox1.ScrollBars = ScrollBars.Both;

        }

        private void button1_Click(object sender, EventArgs e)
        {
            char[] str = textBox1.Text.ToCharArray();
            Array.Reverse(str);
            string reverse_str = new string(str);
            Regex regex = new Regex(@"\w");
            string reverse_str_lower = Regex.Replace(reverse_str, @"[\p{P}+\s]", "").ToLower();

            string pal()
            {
                if (reverse_str_lower == Regex.Replace(textBox1.Text, @"[\p{P}+\s]", "").ToLower())
                {
                    return "Это палиндром";
                }
                else return "Это не палиндром";
            }



            MessageBox.Show(
                pal(),
                "Result",
                MessageBoxButtons.OK,
                MessageBoxIcon.Information,
                MessageBoxDefaultButton.Button1);
        }
    }
}