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Function ExtractNumber(rCell As Range, _
Optional Take_decimal As Boolean, Optional Take_negative As Boolean) As Double
Dim iCount As Integer, i As Integer, iLoop As Integer
Dim sText As String, strNeg As String, strDec As String
Dim lNum As String
Dim vVal, vVal2


''''''
'Written by OzGrid Business Applications
'www.ozgrid.com
'Extracts a number from a cell containing text and numbers.


''''''
sText = rCell
If Take_decimal = True And Take_negative = True Then
strNeg = "-" 'Negative Sign MUST be before 1st number.
strDec = "."
ElseIf Take_decimal = True And Take_negative = False Then
strNeg = vbNullString
strDec = "."
ElseIf Take_decimal = False And Take_negative = True Then
strNeg = "-"
strDec = vbNullString
End If
iLoop = Len(sText)
For iCount = iLoop To 1 Step -1
vVal = Mid(sText, iCount, 1)
If IsNumeric(vVal) Or vVal = strNeg Or vVal = strDec Then
i = i + 1
lNum = Mid(sText, iCount, 1) & lNum
If IsNumeric(lNum) Then
If CDbl(lNum) < 0 Then Exit For
Else
lNum = Replace(lNum, Left(lNum, 1), "", , 1)
End If
End If
If i = 1 And lNum <> vbNullString Then lNum = CDbl(Mid(lNum, 1, 1))
Next iCount
ExtractNumber = CDbl(lNum)
End Function
Chuổi text Công thức Kết quả
a-bg-12909- =ExtractNumber(A1,,TRUE) -12909
a-bg-12909- =ExtractNumber(A2) 12909
a.a1.2... =ExtractNumber(A3,TRUE) 1.2
a.a1.2... =ExtractNumber(A4) 12
a.a-1.2.... =ExtractNumber(A5,TRUE,TRUE) -1.2
abg1290.11 =ExtractNumber(A6,TRUE) 1290.11
abg129013Agt =ExtractNumber(A7) 129013
abg129012 =ExtractNumber(A8) 129013