VB: 一个正则提取功能

'引用：Microfoft VBScript Regular Expressions 5.5 '一个正则提取功能
Public Function regGetStr_three(ByVal myString As String, ByVal patReg As String) As String()
   Dim objRegExp As RegExp
   Dim objMatch As Match
   Dim colMatches   As MatchCollection
   Dim RetStr As String
   Dim y() As String, j As Integer
   ReDim y(0)
   Set objRegExp = New RegExp
'   objRegExp.Pattern = "a\[\d{1,3}\]=""?(.{1,})""?\.split"
   objRegExp.Pattern = patReg
   objRegExp.IgnoreCase = True
   objRegExp.Global = True    j = -1
   If (objRegExp.Test(myString) = True) Then
    Set colMatches = objRegExp.Execute(myString)
    For Each objMatch In colMatches
     j = j + 1
     ReDim Preserve y(j)
     y(j) = objMatch.SubMatches(0) + "," + objMatch.SubMatches(1) + "," + objMatch.SubMatches(2)
    Next
   Else
    RetStr = "String Matching Failed"
   End If
   regGetStr_three = y End Function