Count only numbers from string

Hi: Is there any way thru VBA code i can know only the length of numbers from the string. I mean the length of string (only numbers) in str1=5 and the length of string str2=8 and length of string str3=10 and length of string str4=10

str1="12334redf"
str2="12345678"
str3="736-122-5880
str4="(631)656-0978

Thanks.
mustish1Asked:
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stevbeCommented:
Public Function NumberCount(DataIn As String) As Long
    Dim lngCount As Long
    Dim lngPos As Long

    For lngPos = 1 To Len(DataIn)
        If IsNumeric(Mid(DataIn, lngPos, 1) Then
            lngCount = lngCount + 1
        End If
    End If

    NumberCount = lngCount

End Function
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jerryb30Commented:
I think the second
endif
is actually
next longpos
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sirbountyCommented:
Something like this as an example...

str1 = "12334redf"
For x = 1 To Len(str1)
    If IsNumeric(Mid(str1, x, 1)) Then
        cnt = cnt + 1
    End If
Next
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stevbeCommented:
what jerry said :-)
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jerryb30Commented:
Steve:
I had a solution exactly like yours and refreshed. Would hae been in same minute, but you had me beat.....
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stevbeCommented:
and that's what I get for typing too fast ... I made the function on the fly, you should get a split on this :-)
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jerryb30Commented:
So i did.
Thanks.
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