[VB.NET]正则表达式可以先在VB.net 的FORM中吗?怎么写?

<script type="text/javascript"><!--google_ad_client = "pub-8333940862668978";/* 728x90, 创建于 08-11-30 */google_ad_slot = "4485230109";google_ad_width = 728;google_ad_height = 90;//--></script><script type="text/javascript"src="http://pagead2.googlesyndication.com/pagead/show_ads.js"></script>正则表达式可以先在VB.net 的FORM中吗?怎么写?
比如ＦＯＲＭ中有个ＴＥＸＴＢＯＸ，
可以用正则表达式校验吗？
__________________________________________________________________________
SF

当然可以
__________________________________________________________________________

Private Function IsValidEmail(ByVal vstrIn As String) As Boolean
Return System.Text.RegularExpressions.Regex.IsMatch(vstrIn, ("^([/w-/.]+)@((/[[0-9]{1,3}/.[0-9]{1,3}/.[0-9]{1,3}/.) |(([/w-]+/.)+))([a-zA-Z]{2,4} |[0-9]{1,3})(/]?)$"))
End Function
__________________________________________________________________________