LINQ query to generate table of MoreLINQ operators

gistfile1.cs

(
    from member
    in XDocument.Load(@"C:\MoreLINQ\MoreLinq\bin\Debug\MoreLinq.xml")
                .Root
                .Elements("members")
                .Elements("member")
    let memberName = (string) member.Attribute("name")
    let match = Regex.Match(memberName,
                    @"M:MoreLinq\.Pull\.(?<cat>[a-z]+)\.(?<op>[a-z]+)", 
                    RegexOptions.IgnoreCase | RegexOptions.CultureInvariant)
    where match.Success
    let opm = new
    {
        Name = match.Groups["op"].Value,
        Category = match.Groups["cat"].Value,
        Summary = Regex.Replace((string) member.Element("summary"), @"\s+", " ").Trim(),
        Member = member,
    }
    orderby opm.Name
    group opm by opm.Name into op
    select string.Format(
        "|| `{0}` || {1} || {2} ||",
        op.Key, op.First().Category, op.First().Summary)
)
.Aggregate(
    new StringBuilder(
        "|| *Operator* || *Category* || *Summary* ||").AppendLine(), 
    (sb, row) => sb.AppendLine(row), 
    sb => sb.ToString())