Created
February 8, 2016 14:24
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[VB.NET] 接頭辞付き 16進数文字列 → 整数変換
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Function ToDec32(source As String) As Integer | |
' 0x?? , &hxx , $xx は 16進数とする | |
Dim h1 = Regex.Match(source, "(?i)^(?<prefix>0x|&h|\$)(?<body>.*)$") | |
If h1.Groups("prefix").Value <> "" Then | |
Return Convert.ToInt32(h1.Groups("body").Value, 16) | |
End If | |
' ??h は 16進数とする | |
Dim h2 = Regex.Match(source, "(?i)^(?<body>.*)(?<suffix>h)$") | |
If h2.Groups("suffix").Value <> "" Then | |
Return Convert.ToInt32(h2.Groups("body").Value, 16) | |
End If | |
' それ以外は 10進数 とする | |
Return Convert.ToInt32(source, 10) | |
End Function |
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