回答編集履歴
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正規表現による、条件にESTABLISHEDを追加
test
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@@ -10,89 +10,95 @@
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```VBA
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Sub test()
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Sub test3()
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Dim WSH, wExec, cmd As String, Result As String
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Set WSH = CreateObject("WScript.Shell")
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' 実行したいDOSコマンド
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cmd = "netstat -n"
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' DOSコマンドを実行
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Set exec = WSH.exec("%ComSpec% /c " & cmd)
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' DOSコマンドが終了するまで待機
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Do While exec.Status = 0
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DoEvents
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Loop
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' DOSコマンドの実行結果(標準出力)を取得
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Result = exec.StdOut.ReadAll
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' 取得した標準出力をメッセージボックスに表示
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MsgBox Result
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Set WSH = CreateObject("WScript.Shell")
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' 実行したいDOSコマンド
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cmd = "netstat -n"
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' DOSコマンドを実行
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Set wExec = WSH.exec("%ComSpec% /c " & cmd)
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' DOSコマンドが終了するまで待機
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Do While wExec.Status = 0
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DoEvents
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Loop
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' DOSコマンドの実行結果(標準出力)を取得
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Result = wExec.StdOut.ReadAll
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' 取得した標準出力をメッセージボックスに表示
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MsgBox Result
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buf2 = Split(buf, "3389")
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buf3 = Split(buf2(1), ":")
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Cells(5, 2) = Trim(buf3(0))
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End If
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Next n
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Set RE = CreateObject("VBScript.RegExp")
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Set wExec = Nothing
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' 正規表現の条件を設定
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RE.Pattern = "^\s*\S+\s+\S+:3389\s+(\S+):\d+\s+ESTABLISHED\s*$"
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RE.MultiLine = True ' 複数行に対して検索する指定
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' 検索
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Set reMatch = RE.Execute(Result)
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' 最初に条件に該当した行の、最初のカッコ内（＝IPアドレス部分）を取り出し
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Cells(7, 2) = reMatch(0).SubMatches.Item(0)
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' オブジェクトを空に
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Set reMatch = Nothing
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Set RE = Nothing
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Set wExec = Nothing
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Set WSH = Nothing
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