Asp > Mathematics

Hex to Bin

Hex to Bin

Function HexToBin(hexvalue)
Dim i, s, ilen, value, values

Set values = CreateObject("Scripting.Dictionary")

values.Add "0", "0000"
values.Add "1", "0001"
values.Add "2", "0010"
values.Add "3", "0011"
values.Add "4", "0100"
values.Add "5", "0101"
values.Add "6", "0110"
values.Add "7", "0111"
values.Add "8", "1000"
values.Add "9", "1001"
values.Add "A", "1010"
values.Add "B", "1011"
values.Add "C", "1100"
values.Add "D", "1101"
values.Add "E", "1110"
values.Add "F", "1111"

value = Null
s = UCase(hexvalue)
If IsHex(s) Then
value = ""
ilen = Len(s)
For i = 1 To ilen
value = value & values(Mid(s, i, 1))
Next
End If

values.RemoveAll
Set values = Nothing

HexToBin = value
End Function