AutoWikiBrowser.MainForm.profileTyposToolStripMenuItem_Click C# (CSharp) Method

        private void profileTyposToolStripMenuItem_Click(object sender, EventArgs e)
        {
            #if DEBUG
            if (RegexTypos == null)
            {
                MessageBox.Show("No typos loaded", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }

            List<KeyValuePair<Regex, string>> typos = RegexTypos.GetTypos();
            if (!typos.Any())
            {
                MessageBox.Show("No typos loaded", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }

            string text = txtEdit.Text;
            if (!txtEdit.Enabled || text.Length == 0)
            {
                MessageBox.Show("No article text", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }

            if (MessageBox.Show("Test typo rules for performance (this takes up to 5 minutes)?",
                                "Test typos", MessageBoxButtons.YesNo, MessageBoxIcon.Question) != DialogResult.Yes)
                return;

            int iterations = 1000000 / text.Length;
            if (iterations > 500) iterations = 500;

            List<KeyValuePair<int, string>> times = new List<KeyValuePair<int, string>>();

            foreach (KeyValuePair<Regex, string> p in typos)
            {
                Stopwatch watch = new Stopwatch();
                watch.Start();
                for (int i = 0; i < iterations; i++)
                {
                    p.Key.IsMatch(text);
                }
                times.Add(new KeyValuePair<int, string>((int)watch.ElapsedMilliseconds, p.Key + " > " + p.Value));
            }

            times.Sort(CompareRegexPairs);

            StringBuilder builder = new StringBuilder();

            builder.AppendLine("Profiling " + iterations + @" iterations of """ + TheArticle.Name + @"""");

            foreach (KeyValuePair<int, string> p in times) builder.AppendLine(p.ToString());

            Tools.WriteTextFile(builder, "typos.txt", false);

            MessageBox.Show("Results are saved in the file 'typos.txt'", "Profiling complete",
                            MessageBoxButtons.OK, MessageBoxIcon.Information);
            #endif
        }