FlashDevelop: Codeformatter fix script

/* See: http://r0b0tz.com/2011/11/flashdevelop-script-for-codeformatter-fixes/ */
using System;
using System.Text.RegularExpressions;
using System.Windows.Forms;
using PluginCore;

public class FDScript
{
    /**
    * Fixes CodeFormatter issues
    * @author http://lawrencealan.com
    */
    public static void Execute()
    {
        try
        {
            ScintillaNet.ScintillaControl sci = PluginBase.MainForm.CurrentDocument.SciControl;
            int pos = sci.CurrentPos;
            int line = sci.LineFromPosition(pos);


            if (sci == null) return; // document not editable
            string src = sci.Text;

            // fix single line statements
            string matchpattern = @"(?<!.*//.*)(\s+)?(for|if|while)\s+([^{\n]*)(?<!{)\n\s+";
            string replacementpattern = @"$1$2 $3 ";
            src = Regex.Replace(src, matchpattern, replacementpattern, RegexOptions.IgnoreCase);

            // fix lack of space between "){"
            matchpattern = @"(for|if|while)\s+([^{]*)\{";
            replacementpattern = @"$1 $2 {";
            src = Regex.Replace(src, matchpattern, replacementpattern, RegexOptions.IgnoreCase & RegexOptions.Multiline );


            sci.Text = src;
            sci.GotoLine(line);
            sci.GotoPos(pos);
        }
        catch (Exception ex)
        {
            MessageBox.Show(ex.ToString());
        }
    }


}