Code:
' https://excelfox.com/forum/showthread.php/2302-quot-What%E2%80%99s-in-a-String-quot-VBA-break-down-Loop-through-character-contents-of-a-string
' https://excelfox.com/forum/showthread.php/2302-quot-What%E2%80%99s-in-a-String-quot-VBA-break-down-Loop-through-character-contents-of-a-string?p=11015&viewfull=1#post11015
Sub WtchaGot_Unic_NotMuchIfYaChoppedItOff(ByVal strIn As String) '
Rem 1 ' Output "sheet hardcopies"
'1a) Worksheets 'Make Temporary Sheets, if not already there, in Current Active Workbook, for a simple list of all characters, and for pasting the string into worksheet cells
'1a)(i) Full list of characters worksheet
If Not Evaluate("=ISREF(" & "'" & "WotchaGotInString" & "'!Z78)") Then ' ( the ' are not important here, but iin general allow for a space in the worksheet name like "Wotcha Got In String"
Dim Wb As Workbook ' ' ' Dim: ' Preparing a "Pointer" to an Initial "Blue Print" in Memory of the Object ( Pigeon Hole with a bit of paper or code lines on that can be filled in to refer to a specific Objec of this type ) . This also us to get easily at the Methods and Properties throught the applying of a period ( .Dot) ( intellisense ) '
Set Wb = ActiveWorkbook ' ' Set now (to Active Workbook - one being "looked at"), so that we carefull allways referrence this so as not to go astray through Excel Guessing inplicitly not the one we want... Set: Values are filled at the memory locations and the directions there are specified in the variable "Blue Print "Pointer". In this case a Filled in Blue Print is passed. http://www.excelforum.com/excel-programming-vba-macros/1138804-help-understanding-class-instancing-cant-set-ws-new-worksheet-intellisense-offers-it-4.html#post4387191 '
Wb.Worksheets.Add After:=Wb.Worksheets.Item(Worksheets.Count) 'A sheeet is added and will be Active
Dim ws As Worksheet '
Set ws = ActiveSheet 'Rather than rely on always going to the active sheet, we referr to it Explicitly so that we carefull allways referrence this so as not to go astray through Excel Guessing implicitly not the one we want... Set: Values are filled at the memory locations and the directions there are specified in the variable "Blue Print "Pointer". In this case a Filled in Blue Print is passed. http://www.excelforum.com/excel-programming-vba-macros/1138804-help-understanding-class-instancing-cant-set-ws-new-worksheet-intellisense-offers-it-4.html#post4387191 ' Values are filled at the memory locations and the directions there are specified in the variable "Blue Print "Pointer". In this case a Filled in Blue Print is passed. http://www.excelforum.com/excel-programming-vba-macros/1138804-help-understanding-class-instancing-cant-set-ws-new-worksheet-intellisense-offers-it-4.html#post4387191
ws.Activate: ws.Cells(1, 1).Activate ' ws.Activate and activating a cell sometimes seemed to overcome a strange error
Let ws.Name = "WotchaGotInString"
Else ' The worksheet is already there , so I just need to set my variable to point to it
Set ws = ThisWorkbook.Worksheets("WotchaGotInString")
End If
'1a(ii) Worksheet to paste out string into worksheet cells
If Not Evaluate("=ISREF(" & "'" & "StrIn|WtchaGot" & "'!Z78)") Then
Set Wb = ActiveWorkbook
Wb.Worksheets.Add Before:=Wb.Worksheets.Item(1)
Dim Ws1 As Worksheet
Set Ws1 = ActiveSheet
Ws1.Activate: Ws1.Cells(1, 1).Activate
Let Ws1.Name = "StrIn|WtchaGot"
Else
Set Ws1 = ThisWorkbook.Worksheets("StrIn|WtchaGot")
End If
'1b) Array
Dim myLenf As Long: Let myLenf = Len(strIn) ' ' Long is very simple to handle, - final memory "size" type is known (123.456 and 000.001 have same "size" computer memory ) , and so a Address suggestion can be given for the next line when the variable is filled in. '( Long is a Big whole Number limit (-2,147,483,648 to 2,147,483,647) If you need some sort of validation the value should only be within the range of a Byte/Integer otherwise there's no point using anything but Long.--upon/after 32-bit, Integers (Short) need converted internally anyways, so a Long is actually faster. ) https://www.mrexcel.com/forum/excel-questions/803662-byte-backward-loop-4.html
Dim arrWotchaGot() As String: ReDim arrWotchaGot(1 To myLenf + 1, 1 To 2) ' +1 for header Array for the output 2 column list. The type is known and the size, but I must use this ReDim method simply because the dim statement Dim( , ) is complie time thing and will only take actual numbers
Let arrWotchaGot(1, 1) = Format(Now, "DD MMM YYYY") & vbLf & "Lenf is " & myLenf: Let arrWotchaGot(1, 2) = Left(strIn, 40)
Rem 2 String anylaysis
'Dim myLenf As Long: Let myLenf = Len(strIn)
Dim Cnt As Long
For Cnt = 1 To myLenf ' ===Main Loop========================================================================
' Character analysis: Get at each character
Dim Caracter As Variant ' String is probably OK.
Let Caracter = Mid(strIn, Cnt, 1) ' ' the character in strIn at position from the left of length 1
'2a) The character added to a single WotchaGot long character string to look at and possibly use in coding
Dim WotchaGot As String ' This will be used to make a string that I can easilly see and also is in a form that I can copy and paste in a code line required to build the full string of the complete character string
'2a)(i) Most common characters and numbers to be displayed as "seen normally" ' -------2a)(i)--
If Caracter Like "[A-Z]" Or Caracter Like "[0-9]" Or Caracter Like "[a-z]" Then ' Check for normal characters
'SirNirios
If Not Cnt = 1 Then ' I am only intersted in next line comparing the character before, and if i did not do this the next line would error if first character was a "normal" character
If Not Cnt = myLenf And (Mid(strIn, Cnt - 1, 1) Like "[A-Z]" Or Mid(strIn, Cnt - 1, 1) Like "[0-9]" Or Mid(strIn, Cnt - 1, 1) Like "[a-z]") Then ' And (Mid(strIn, Cnt + 1, 1) Like "[A-Z]" Or Mid(strIn, Cnt + 1, 1) Like "[0-9]" Or Mid(strIn, Cnt + 1, 1) Like "[a-z]") Then
Let WotchaGot = WotchaGot & "|LinkTwoNormals|"
Else
End If
Else
End If
Let WotchaGot = WotchaGot & """" & Caracter & """" & " & " ' This will give the sort of output that I need to write in a code line, so for example if I have a123 , this code line will be used 4 times and give like a final string for me to copy of "a" & "1" & "2" & "3" & I would phsically need to write in code like strVar = "a" & "1" & "2" & "3" - i could of course also write = "a123" but the point of this routine is to help me pick out each individual element
Else ' Some other things that I would like to "see" normally - not "normal simple character" - or by a VBA constant, like vbCr vbLf vbTab
Select Case Caracter ' 2a)(ii)_1
Case " "
Let WotchaGot = WotchaGot & """" & " " & """" & " & "
Case "!"
Let WotchaGot = WotchaGot & """" & "!" & """" & " & "
Case "$"
Let WotchaGot = WotchaGot & """" & "$" & """" & " & "
Case "%"
Let WotchaGot = WotchaGot & """" & "%" & """" & " & "
Case "~"
Let WotchaGot = WotchaGot & """" & "~" & """" & " & "
Case "&"
Let WotchaGot = WotchaGot & """" & "&" & """" & " & "
Case "("
Let WotchaGot = WotchaGot & """" & "(" & """" & " & "
Case ")"
Let WotchaGot = WotchaGot & """" & ")" & """" & " & "
Case "/"
Let WotchaGot = WotchaGot & """" & "/" & """" & " & "
Case "\"
Let WotchaGot = WotchaGot & """" & "\" & """" & " & "
Case "="
Let WotchaGot = WotchaGot & """" & "=" & """" & " & "
Case "?"
Let WotchaGot = WotchaGot & """" & "?" & """" & " & "
Case "'"
Let WotchaGot = WotchaGot & """" & "'" & """" & " & "
Case "+"
Let WotchaGot = WotchaGot & """" & "+" & """" & " & "
Case "-"
Let WotchaGot = WotchaGot & """" & "-" & """" & " & "
Case "_"
Let WotchaGot = WotchaGot & """" & "_" & """" & " & "
Case "."
Let WotchaGot = WotchaGot & """" & "." & """" & " & "
' Case " "
' Let WotchaGot = WotchaGot & """" & " " & """" & " & "
' Case " "
' Let WotchaGot = WotchaGot & """" & " " & """" & " & "
' Case " "
' Let WotchaGot = WotchaGot & """" & " " & """" & " & "
' Case " "
' Let WotchaGot = WotchaGot & """" & " " & """" & " & "
' Case " "
' Let WotchaGot = WotchaGot & """" & " " & """" & " & "
' Case " "
' Let WotchaGot = WotchaGot & """" & " " & """" & " & "
' Case " "
' Let WotchaGot = WotchaGot & """" & " " & """" & " & "
' Case " "
' Let WotchaGot = WotchaGot & """" & " " & """" & " & "
' Case " "
' Let WotchaGot = WotchaGot & """" & " " & """" & " & "
' Case " "
' Let WotchaGot = WotchaGot & """" & " " & """" & " & "
' Case " "
' Let WotchaGot = WotchaGot & """" & " " & """" & " & "
' Case " "
' Let WotchaGot = WotchaGot & """" & " " & """" & " & "
' Case " "
' Let WotchaGot = WotchaGot & """" & " " & """" & " & "
' Case " "
' Let WotchaGot = WotchaGot & """" & " " & """" & " & "
' Case " "
' Let WotchaGot = WotchaGot & """" & " " & """" & " & "
' ' 2a)(ii)_2
' Case " "
' Let WotchaGot = WotchaGot & """" & " " & """" & " & "
' Case " "
' Let WotchaGot = WotchaGot & """" & " " & """" & " & "
Case vbCr
Let WotchaGot = WotchaGot & "vbCr & " ' I actuall would write manually in this case like vbCr &
Case vbLf
Let WotchaGot = WotchaGot & "vbLf & "
Case vbCrLf
Let WotchaGot = WotchaGot & "vbCrLf & "
Case vbNewLine
Let WotchaGot = WotchaGot & "vbNewLine & "
Case """" ' This is how to get a single " No one is quite sure how this works. My theory that, is as good as any other, is that syntaxly """" or " """ or """ " are accepted. But in that the """ bit is somewhat strange for VBA. It seems to match the first and Third " together as a valid pair but the other " in the middle of the 3 "s is also syntax OK, and does not error as """ would because of the final 4th " which it syntaxly sees as a valid pair matched simultaneously as it does some similar check on the first and Third as a concluding string pair. All is well except that the second " is captured within a accepted enclosing pair made up of the first and third " At the same time the 4th " is accepted as a final concluding " paired with the second which it is using but at the same time now isolated from.
Let WotchaGot = WotchaGot & """" & """" & """" & """" & " & " ' The reason why "" "" would not work is that at the end of the "" the next empty character signalises the end of a string pair, and only if it saw a " would it keep checking the syntax rules which then lead in the previous case to the situation described above.
Case vbTab
Let WotchaGot = WotchaGot & "vbTab & "
' 2a)(iii)
Case Else
If AscW(Caracter) < 256 Then
Let WotchaGot = WotchaGot & "Chr(" & AscW(Caracter) & ")" & " & "
Else
Let WotchaGot = WotchaGot & "ChrW(" & AscW(Caracter) & ")" & " & "
End If
'Let CaseElse = Caracter
End Select
End If ' End of the "normal simple character" or not ' -------2a)------Ended-----------
'2b) A 2 column Array for convenience of a list
Let arrWotchaGot(Cnt + 1, 1) = Cnt & " " & Caracter: Let arrWotchaGot(Cnt + 1, 2) = AscW(Caracter) ' +1 for header
Next Cnt ' ========Main Loop=================================================================================
'2c) Some tidying up
If WotchaGot <> "" Then
Let WotchaGot = Left(WotchaGot, Len(WotchaGot) - 3) ' take off last " & " ( 2 spaces one either side of a & )
Let WotchaGot = Replace(WotchaGot, """ & |LinkTwoNormals|""", "", 1, -1, vbBinaryCompare)
' The next bit changes like this "Lapto" & "p" to "Laptop" You might want to leave it out ti speed things up a bit
If Len(WotchaGot) > 5 And (Mid(WotchaGot, Len(WotchaGot) - 1, 1) Like "[A-Z]" Or Mid(WotchaGot, Len(WotchaGot) - 1, 1) Like "[0-9]" Or Mid(WotchaGot, Len(WotchaGot) - 1, 1) Like "[a-z]") And (Mid(WotchaGot, Len(WotchaGot) - 7, 1) Like "[A-Z]" Or Mid(WotchaGot, Len(WotchaGot) - 7, 1) Like "[0-9]" Or Mid(WotchaGot, Len(WotchaGot) - 7, 1) Like "[a-z]") And Mid(WotchaGot, Len(WotchaGot) - 6, 5) = """" & " & " & """" Then
Let WotchaGot = Left$(WotchaGot, Len(WotchaGot) - 7) & Mid(WotchaGot, Len(WotchaGot) - 1, 2) ' Changes like this "Lapto" & "p" to "Laptop"
Else
End If
Else
End If
Rem 3 Output
'3a) String
'3a)(i)
MsgBox Prompt:=WotchaGot: Debug.Print WotchaGot ' Hit Ctrl+g from the VB Editor to get a copyable version of the entire string
'3a)(ii)
Ws1.Activate: Ws1.Cells.Item(1, 1).Activate
Let Ws1.Range("A1").Value = strIn
Let Ws1.Range("B1").Value = WotchaGot
'3b) List
Dim NxtClm As Long: Let NxtClm = 1 ' In conjunction with next If this prevents the first column beine taken as 0 for an empty worksheet
ws.Activate: ws.Cells.Item(1, 1).Activate
If Not ws.Range("A1").Value = "" Then Let NxtClm = ws.Cells.Item(1, Columns.Count).End(xlToLeft).Column + 1
Let ws.Cells.Item(1, NxtClm).Resize(UBound(arrWotchaGot(), 1), UBound(arrWotchaGot(), 2)).Value = arrWotchaGot()
ws.Cells.Columns.AutoFit
End Sub
'
Originally Posted by DocAElstein
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