xml Reading issue

Hi,

Below is the xml,

<?xml version="1.0" encoding="utf-8"?><UsersList><User><Name>sam&Tim</Name><Address>21, bills street, CA</Address><Issues>"Issues1", "Issues2"</Issues></User></UsersList>

C#:

                string xml = System.IO.File.ReadAllText(@"E:\Sample.xml");
                xml = System.Text.RegularExpressions.Regex.Replace(xml, "<(?![_:a-z][-._:a-z0-9]*\b[^<>]*>)", "&lt;");

                XDocument doc = XDocument.Parse(xml);

i need to convert the special charecters (<,>,",',&) and i am using the above regex. but parse method throws an error. any help please how to resolve the issue

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