C#

Regex regx = new Regex("<a(.)*href=(\"|')(?<url>(.)*)(\"|')(.)*>(?<text>(.)+)</a>", RegexOptions.IgnoreCase | RegexOptions.Multiline | RegexOptions.Compiled);
MatchCollection col = regx.Matches(Input);

class MyClass {
     static MyClass() {
          someMethod(typeof(MyClass));
     }
}

class MyClass {
     static MyClass() {
          someMethod(this.GetType());
     }
}

class MyClass {<br />
<br />
float floatField;<br />
double[] arrayField;<br />
Object objectField;<br />
<br />
}

int i = 0;
Dictionary<string, int> fieldOffsetDict = new Dictionary<string, int>();
foreach (FieldInfo field in typeof(MyClass).GetFields(BindingFlags.Instance | BindingFlags.Static | BindingFlags.NonPublic | BindingFlags.Public)) {
    fieldOffsetDict[field.Name] = i++;
}

if (menuContentTooltip != null)
            {
                menuContentTooltip.Close();
                menuContentTooltip = null;
            }

            MenuButtons menuButtons = new MenuButtons();

            var ttp = new ToolTipParams
            {
                ParentFrameworkEl = menuBtn,
                ChildControlInToolTip = menuButtons,
                Title = "Menu",
                PositionOfToolTip = ToolTipParams.Position.Below
            };
            //------------------------------------------
            menuContentTooltip = new ToolTip(ttp, false, null);
            if (menuContentTooltip.ChildControl != null)
            {
 ((MenuButtons) menuContentTooltip.ChildControl).DemmarerButton.MouseLeftButtonUp += delegate
{                                                                                                             /*Do some work here*/
                                                                                                             if (menuContentTooltip != null)
                                                                                                                 menuContentTooltip.Close();
                                                                                                         };
 ((MenuButtons) menuContentTooltip.ChildControl).GestionButton.MouseLeftButtonUp += delegate
                                                                                                           {
     /*Do some work here*/                                                                                                          if (menuContentTooltip != null)
                                                                                                                   menuContentTooltip.Close();
                                                                                                           };
                menuContentTooltip.ShowToolTipIfNotAuto();
            }

private bool IsWorkbookEmpty(Workbook excelBook)
{
    try
    {
        if (excelBook.Sheets.Count <= 0)
        {
            return true;
        }
        else
        {
            foreach (Worksheet sheet in excelBook.Sheets)
            {
                Range excelRange = sheet.UsedRange;
                int test1 = excelRange.Columns.Count;
                int test2 = excelRange.Rows.Count;
                int test3 = excelRange.Count;

                if (test1 > 1 || test2 > 1 || test3 > 1)
                {
                    return false;
                }
                else //look for content..
                {
                    foreach(Range cell in excelRange)
                    {
                        object test5 = cell.FormulaR1C1;
                        object test6 = cell.get_Value(Type.Missing);
                        //How do I check if cell has content?
                        //return true; if cell has content..
                    }
                }
            }
        }
    }
    catch (Exception)
    {
        return false;
    }
    return true;
}