判断字符串是否为Guid格式（C#）

static bool IsGuidByReg(string strSrc)
{
try
{
Guid guid = new Guid(strSrc);
return true;
}
catch
{
return false;
}
//Regex reg = new Regex("^[A-F0-9]{8}(-[A-F0-9]{4}){3}-[A-F0-9]{12}$", RegexOptions.Compiled);
//bool c = reg.IsMatch(strSrc);
//log.Error("------------------------");
//log.Error(c);
//log.Error("------------------------");
//return  c;
}