正则表达式vbscript转vb.net

[h1j2h7]

其中reg_是正则表达式
Reg_.Pattern = "<blog:Top>([\s\S]*?)</blog:Top>"
matches = Reg_.Execute(body, "<blog:Top>([\s\S]*?)</blog:Top>")
是不是相当于ＶＢ．ＮＥＴ里面的

matches = Reg_.Matches(body, "<blog:Top>([\s\S]*?)</blog:Top>")

################################################################
matches = Reg_.Test(）是不是相当于

Reg_.IsMatch()
################################################################
如果不是应该怎么写？？？
给出答案正确马上给分．

[h1j2h7]

你那个不行,你那没有替换我的
matches = Reg_.Matches(body, "<blog:Top>([\s\S]*?)</blog:Top>")
里面的body

我是这么写的,但是不知道能不能实现:

而且你那个根本没有指定RegexOptions!!!

Dim Reg_ As New System.Text.RegularExpressions.Regex("", System.Text.RegularExpressions.RegexOptions.IgnoreCase Or System.Text.RegularExpressions.RegexOptions.Multiline)

matches = Reg_.Matches(body, "<blog:Top>([\s\S]*?)</blog:Top>")

我只是想知道能不能实现
<前面已经定义了REG_的正则并给了相关的属性>
Reg_.Pattern = "<blog:Top>([\s\S]*?)</blog:Top>"
matches = Reg_.Execute(body, "<blog:Top>([\s\S]*?)</blog:Top>")
一样的功能

[shan1119]

Dim str As String = "<blog:Top>([\s\S]*?)</blog:Top>"
Dim pat As New Regex("[^0-9]+")
Dim match As Match = pat.Match(str)
if match.Success() then ...

[shan1119]

错了，
Dim str As String = "<blog:Top>([\s\S]*?)</blog:Top>"
Dim pat As New Regex(str)
Dim match As Match = pat.Match(str)
if match.Success() then ...

[shan1119]

需要
Imports System.Text.RegularExpressions