by Nick Mancini (1 Submission)
Category: String Manipulation
Compatability: Visual Basic 4.0 (32-bit)
Difficulty: Unknown Difficulty
Originally Published: Fri 6th August 1999
Date Added: Mon 8th February 2021
Rating: 
(1 Votes)
These functions will extract an email address and url from given text.
VBcoders
' txtInput = GetHTML (txtInput)
' txtInput = GetEmail (txtInput)
Public Function GetEmail(Inp As String) As String
Dim chrAt As String
Dim chrOpen As String
Dim chrClose As String
Dim phrHREF As String
Dim phrMailTo As String
Dim strFirst As String
Dim strLast As String
Dim strEmail As String
chrAt = InStr(1, Inp$, "@")
chrOpen = InStr(1, Inp$, "<")
chrClose = InStr(1, Inp$, ">")
phrHREF = InStr(1, Inp$, "<a href=")
phrMailTo = InStr(1, Inp$, Chr$(34) & "mailto:")
strFirst = InStr(1, Inp$, "<a href=" & Chr$(34) & "mailto:")
strLast = InStr(1, Inp$, Chr$(34) & ">")
If chrOpen Then
If chrClose Then
If phrHREF Then
If phrMailTo Then
If strFirst Then
If strLast Then
' Start retreiving email address
Inp$ = Mid$(Inp$, phrMailTo + 8)
GetEmail$ = Mid(Inp$, 1, InStr(1, Inp$, Chr$(34)) - 1)
' End retreiving email address
End If
End If
End If
End If
End If
End If
End Function
Public Function GetURL(Inp As String) As String
Dim chrOpen As String
Dim chrClose As String
Dim phrHREF As String
Dim strFirst As String
Dim strLast As String
Dim strEmail As String
Dim strHTTP As String
chrOpen = InStr(1, Inp$, "<")
chrClose = InStr(1, Inp$, ">")
phrHREF = InStr(1, Inp$, "<a href=")
strFirst = InStr(1, Inp$, "<a href=" & Chr$(34))
strLast = InStr(1, Inp$, Chr$(34) & ">")
strHTTP = InStr(1, Inp$, "http://")
If chrOpen Then
If chrClose Then
If phrHREF Then
If strFirst Then
If strLast Then
' Start retreiving URL
Inp$ = Mid$(Inp$, strHTTP)
GetURL$ = Mid(Inp$, 1, InStr(1, Inp$, Chr$(34)) - 1)
' End retreiving URL
End If
End If
End If
End If
End If
End Function
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