ExcelVbaScriptForValidateTextInputThaiEngNumeric.vba

' @Author samark chaisanguan
' @Email samark.work@gmail.com
' @Since 20/07/2020

' Defined global input string
Global inputString As String

Sub testValidateTxtInput()
    inputString = Range("A1")
    convertStrToAssiicode (inputString)
    getOs
End Sub


' Override printing message
' @param message as string
Public Function dd(msg As String)
    Debug.Print (msg)
End Function

' Convert String to Assiicode
' @param s as String
' @return the string to its respective ascii numbers
Public Function convertStrToAssiicode(txtInput As String)
    Dim i As Integer
    Dim myArray() As Variant
    
    ' Resize array
    ReDim myArray(Len(txtInput))
    
    For i = 1 To Len(txtInput)
       ' myArray(x) = i
        j = CStr(Asc(Mid(txtInput, i, 1)))
        validateAssiiCode (j)
        'dd (j)
    Next i
End Function

' Validataion allowed rage of assii code
' @thow exception
' @modify custom result of validation
' Thai assii code start from 161 to 249 end of number thai 0-9
' Thai assii code for mac osx 95
' English Alphabets Small Letters assiicode start form 97 to 122
' English Alphabets Capital Letters assiicode start from 65 to 90
' Number assiicode start from 48 to 57
' Space assiicode 32
' Custom for OSx assiicode 95
Public Function validateAssiiCode(ass As Integer)
    ' Get Operation System
    Dim Os As String
    Os = getOs
    If Os = "window" Then
        '   [For thai charector ]           [For Small Letters]            [For Capital Leters]         [For Numeric]
        If ((ass >= 161 And ass <= 249) Or (ass >= 97 And ass <= 122) Or (ass >= 65 And ass <= 90) Or (ass >= 48 And ass <= 57) Or (ass = 32)) Then
            'dd("validation pass")
        Else
            ' You can custom response here
            dd ("validation fail")
        End If
    ElseIf Os = "osx" Then
        '   [For thai charector ]           [For Small Letters]            [For Capital Leters]         [For Numeric]
        If ((ass >= 161 And ass <= 249) Or (ass >= 97 And ass <= 122) Or (ass >= 65 And ass <= 90) Or (ass >= 48 And ass <= 57) Or (ass = 32) Or (ass = 95)) Then
            'dd("validation pass")
        Else
            ' You can custom response here
            dd ("validation fail")
        End If
    End If
   
    ' printing debug assiicode
    dd ("debug " & ass)
  
End Function

' Get Operation System
' @return OS as String
Public Function getOs() As String
    Dim Os As String
    Os = Application.OperatingSystem
    If (InStr(Os, "Windows")) Then
        getOs = "window"
    ElseIf (InStr(Os, "Macintosh")) Then
        getOs = "osx"
    Else
        getOs = "other"
    End If
End Function