Detect if VBA module has content

    let hasContent lines =
        let mutable inBlock = false
        let isContent line =
            let startsWith input word =
                Regex.Match(input, @"^\s*" + word,
                    RegexOptions.CultureInvariant ||| RegexOptions.IgnoreCase).Success
            match (line:string) with
            | _ when line.Trim().Length = 0 -> false
            | s when startsWith s "Version" -> false
            | s when startsWith s "Attribute" -> false
            | s when startsWith s "Begin" ->
                inBlock <- true
                false
            | s when inBlock && startsWith s "End" ->
                inBlock <- false
                false
            | _ -> not inBlock
        Seq.exists isContent lines