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VB.NET URL Parsing

URL stands for Uniform Resource Locator. A URL is the global address for a document or resource on the internet. A sample URL is given below.

The following VB.NET program checking whether a URL exist in the string or not. Here we are using Regex.IsMatch(inputString,patternString) method to find the URL in a string

Imports System.Text.RegularExpressions

Public Class Form1
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Dim pattern As String
        Dim urlStr As String = ""
        pattern = "http(s)?://([\w+?\.\w+])+([a-zA-Z0-9\~\!\@\#\$\%\^\&\*\(\)_\-\=\+\\\/\?\.\:\;\'\,]*)?"
        If Regex.IsMatch(urlStr, pattern) Then
            MsgBox("Url exist in the string ")
            MsgBox("String does not contain url ")
        End If
    End Sub
End Class (C) 2017    Founded by raps mk
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