VBScript のプロパティ、Pattern プロパティ *

Set r = New RegExp

str = "abc"
r.Pattern = "ac*b"
Set Matches = r.Execute(str)
MsgBox Matches.Count ' 1
MsgBox Matches(0)    ' ab

str = "abc"
r.Pattern = "acb"
Set Matches = r.Execute(str)
MsgBox Matches.Count ' 0