C# change part of the text font style in datagridview after regex expression

string c = dataGridView1.Rows[e.RowIndex].Cells["data"].Value.ToString();
//MessageBox.Show(c);
//c = Transfer data to https://www.mylink.com/folder/

dataGridView1.Columns["data"].DefaultCellStyle.Font = new Font("Lucida Console", 7, FontStyle.Bold);

string c = dataGridView1.Rows[e.RowIndex].Cells["data"].Value.ToString();
//MessageBox.Show(c);
//c = Transfer data to https://www.mylink.com/folder/
            Regex r = new Regex(@"(?<Protocol>\w+):\/\/(?<Domain>[\w@][\w.:@]+)\/?[\w\.?=%&=\-@/,]*");
            Match m = r.Match(c);
            if (m.Success)
            {
               //....
            }