This LotusScript function will extract a word from a text string much the same way the @WORD formula does. The function has these 3 parameters: the text string to be searched, the character to be used as a delimeter, the occurance of that delimeter.
Function Field(InputStr As String, DelimChr As String, PosNo As Integer)
'The DelimChr must be a single character or else function will return an error
MaxLen = Len(InputStr)
ErrMsg = ""
If PosNo < 1 Then
ErrMsg = "Starting position < 1"
Elseif DelimChr = "" Then
ErrMsg = "Delimeter is null"
Elseif Len(DelimChr) > 1 Then
ErrMsg = "Delimeter is > 1 character"
Elseif MaxLen < 1 Then
Field = ""
Exit Function 'No input string passed to function - just return an empty string - not considered an error
If ErrMsg <> "" Then
Msgbox "Error: Invalid parameter!" + Chr(13) + Chr(13) + ErrMsg,16,"Field Function"
Field = ""
DelimCnt = 0 'Keeps track of how many delimiters were found
StartSrchPos = 1 'Initialize where to start looking in the string
StartDelimPos = 0 'Will hold the physical postion where the desired delimiter was found
EndDelimPos = 0 'Will hold the physical position where the next delimiter was found
For J = 1 To PosNo
DelimPos = Instr(StartSrchPos,InputStr,DelimChr)
If DelimPos > 0 Then 'Delimiter found in the sub-string
DelimCnt = DelimCnt + 1 'Keep track of what number of delimiter this is
If DelimCnt = PosNo - 1 Then
StartDelimPos = DelimPos 'Keep going - not the right delimiter position
Elseif DelimCnt = PosNo Then
EndDelimPos = DelimPos
Exit For 'Exit loop - the right delimiter position has been found
StartSrchPos = DelimPos + 1 'The next search will begin just after the last delimiter was found
Exit For 'Exit loop - no more delimiters found
If StartDelimPos > 0 And EndDelimPos > 0 Then
If StartDelimPos+1 = EndDelimPos Then
Field = ""
Exit Function 'There is no gap between the two delimiter positions - return nothing
If StartDelimPos > 0 Or EndDelimPos > 0 Then
If EndDelimPos > 0 Then
Field = Mid$(InputStr,StartDelimPos+1,EndDelimPos-(StartDelimPos+1)) 'Return those bytes between the 2 delimiter positions
Field = Mid$(InputStr,StartDelimPos+1,MaxLen) 'No subsequent delimiter was found - return the remainder of the string
'If the input string doesn't contain a delimiter and the 1st occurrance was requested, just return the entire string else return nothing
If PosNo = 1 And DelimCnt = 0 Then Field = InputStr Else Field = ""
Dig Deeper on Domino Resources - Part 7