C# check whether url valid asp.net c# - Net-Raft.com

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How to check whether a url valid in ASP.NET using C# ?


 185

C#


0


<% @Page Language="C#" %>

<script runat="server">


private void test1(object sender, EventArgs e)
{

string url = "https://net-raft.com";


bool isValid = Regex.IsMatch(url,@"^(http|ftp|https|www)://([\w+?\.\w+])+([a-zA-Z0-9\~\!\@\#\$\%\^\&\*\(\)_\-\=\+\\\/\?\.\:\;\'\,]*)?$");

if(isValid)
{
changed_text.InnerHtml = "YES";
}
else
{
changed_text.InnerHtml = "NO";
}

}

</script>

<html>
<head>

</head>

<body>

<form runat="server">

<input runat="server" id="button1" type="submit" value="Click" OnServerClick="test1"/>

<hr />
<h3> Results: </h3>
<span runat="server" id="changed_text" />
</form>

</body>

</html>  


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