Wednesday, October 13, 2010

Validate URL using regular expression

Code snippet to validate URL using regular expression in VB.NET language.

Dim s As String = "((https?|ftp|gopher|telnet|file|notes|ms-help):((//)|(\\\\))+.+\.+[\w\d:#@%/;$()~_?\+-=\\\.&']+)"
Dim o As New System.Text.RegularExpressions.Regex(s)
If o.IsMatch("http://www.google.com") Then
    'GOOD
Else
    'BAD
End If

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