主题：动态错误提示问题

这样修改代码

Dim pattern As String = "^[0-9]{11}$|^[0-9]{11},[0-9]{11}$"
Dim str = "13827222227,13827126079"
Dim reg As new System.Text.RegularExpressions.Regex(pattern)
If reg.Ismatch(str) = True Then
    msgbox("匹配")
End If