Hi t01714500930,
Check this example. Now please take its reference and correct your code.
HTML
<asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>
<script type="text/javascript">
    function GenerateLinks(message) {
        var urlRegex = /(((https?:\/\/)|(www\.))[^\s]+)/g;
        return message.replace(urlRegex, function (url) {
            var hyperlink = url;
            if (!hyperlink.match('^https?:\/\/')) {
                hyperlink = 'http://' + hyperlink;
            }
            return '<a href="' + hyperlink + '" target="_blank" >' + url + '</a>'
        });
    }
    window.onload = function () {
        document.getElementById('Label1').innerHTML = GenerateLinks(document.getElementById('Label1').innerHTML);
    };
</script>
Code
protected void Page_Load(object sender, EventArgs e)
{
    Label1.Text = "I love asp county ilove my http://www.aspforums.net this is very good site of world my http://www.aspforums.net/ im allway visit https://www.aspforums.net/Threads/";
}
Screenshot
