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

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

        private void checkExpression_Click(object sender, EventArgs e)
        {
            if (Regex.IsMatch(stringBox.Text, expressionBox.Text, RegexOptions.IgnoreCase))
            {
                expressionLabel.Text = "Matches!";
            }
            else
            {
                expressionLabel.Text = "Doesn't Match!";
            }
        }
    }
}