# Get the reverse of an alias

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```If you have a field called "KeywordList" that has the following values:

"Test1 | 1"
"Test2 | 2"
"Test3 | 3"
"Test4 | 4"
"Test5 | 5"

That you use to populate another keyword field Called "SelectFromList"

After a person selects the values:
Test1
Test5
the values 1,5 are stored in "SelectFromList."

For whatever reason, you need to know the Alias. If the list is very
large, this becomes very difficult.
The GetReverseAlias function tells you what those Alias are.  ```

```How to call
Call doc.ReplaceItemValue( "SelectedFromListAlias" , GetReverseAlias(
doc.GetItemValue( "KeywordList" ), doc.GetItemValue( "SelectFromList" ))  )

Function GetReverseAlias( varAllList As Variant, varKeywords As Variant ) As Variant
Dim Alllist List As String
Dim strAlias As String
Dim strValue As String

Dim strReturn() As String
Dim intCount As Integer
intCount = 0
Redim strReturn(intCount)
strReturn(intCount) = ""

Forall strOneValue In varAllList
strAlias = Trim( LeftOfString( Cstr( strOneValue ), "|" ) )
strValue = Trim( RightOfString( Cstr( strOneValue ), "|" ) )
If Not ( Iselement( AllList( strValue ) ) ) Then
Alllist( strValue )  = strAlias
End If
End Forall

Forall strOneKeyword In VarKeywords
Redim Preserve strReturn(intCount)
If  Iselement( AllList( strOneKeyword ) ) Then
strReturn(intCount) = Alllist( strOneKeyword )
Else
strReturn(intCount) = ""
End If
intCount = intCount + 1
End Forall

GetReverseAlias = strReturn
End Function

Function RightOfstring ( strSource As String, strSearch As String ) As String
Dim intPos As Integer
Dim intLength As Integer
Dim intStart As Integer

intPos = Instr ( strSource, strSearch )
intLength = Len( strSource )
intStart = intLength - ( intPos + Len( strSearch ) - 1 )
RightOfstring = Right ( strSource, intStart )
End Function

Function LeftOfstring ( strSource As String, strSearch As String ) As String
Dim intPos As Integer
intPos = Instr ( strSource, strSearch )
If intPos > 0 Then intPos = intPos -1
LeftOfstring = Left ( strsource, intPos )
End Function```
This was last published in June 2001

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