C#

private void SearchButton_Click(object sender, EventArgs e)
{
    string fName = FileList.SelectItem.Text;

    StreamReader testTxt = new StreamReader(fName);

    string allRead = testTxt.ReadToEnd();

    testTxt.Close();

    string regMatch = "http://www." + <word> + ".com"/".net"/".org";

    if (Regex.IsMatch(allRead, regMatch))
    {
        SearchQueryTextBox.Text = (regMatch + " was found.");
    }
    else
    {
        SearchQueryTextBox.Text = (regMatch + " could not be found.");
    }
}</word>

typedef struct DEV_BROADCAST_DEVICEINTERFACE {
    DWORD       dbcc_size;
    DWORD       dbcc_devicetype;
    DWORD       dbcc_reserved;
    GUID        dbcc_classguid;
    char        dbcc_name[1];
}
struct DEV_BROADCAST_HDR {
    DWORD       dbch_size;
    DWORD       dbch_devicetype;
    DWORD       dbch_reserved;
};

PDEV_BROADCAST_HDR pHdr = (PDEV_BROADCAST_HDR)lParam;
PDEV_BROADCAST_DEVICEINTERFACE pDevInf;

pDevInf = (PDEV_BROADCAST_DEVICEINTERFACE)pHdr;

[StructLayout(LayoutKind.Sequential)]
        public struct DEV_BROADCAST_HDR
        {
            public int dbcc_size;
            public int dbcc_devicetype;
            public int dbcc_reserved;
        }
        [StructLayout(LayoutKind.Sequential)]
        public struct
        DEV_BROADCAST_DEVICEINTERFACE
        {
            public int dbcc_size;
            public int dbcc_devicetype;
            public int dbcc_reserved;
            public Guid dbcc_classguid;
            public short dbcc_name;
        }

DEV_BROADCAST_HDR pHDR = (DEV_BROADCAST_HDR)Marshal.PtrToStructure(msg.LParam, typeof(DEV_BROADCAST_HDR));                
DEV_BROADCAST_DEVICEINTERFACE pDevInf;

pDevInf = (PDEV_BROADCAST_DEVICEINTERFACE)pHdr;