twoChannelPicker[url_,n_]:=Module[{urlToDat,txtToDisplay,txt},
urlToDat[urlx_]:=Module[{server,board,thread},
{server,board,thread}=StringSplit[urlx,"/"]//
{#[[3]],#[[6]],#[[7]]}&;
"http://"<>server<>"/"<>board<>"/"<>"dat"<>"/"<>thread<>".dat"
];
txtToDisplay[txtx_,nx_]:=Module[{fmt1,fmt2},
fmt1[lst_]:=lst//
ToString[nx]<>" "<>
"名前: "<>#[[1]]<>" "<>
"Mail: "<>#[[2]]<>" "<>
"投稿日: "<>#[[3]]<>" "<>#[[4]]&;
fmt2[str_]:=str//
StringReplace[#,
{"<br> "->"\n\t",
RegularExpression["<(\"[^\"]*\"|'[^']*'|[^'\">])*>"]->"",
">"->">",
"<"->"<",
"&"->"&"}]&//
StringReplace[#,
RegularExpression["^"]->"\t"]&;
txtx//
#[[nx]]&//
{Append[StringSplit[#[[1]],"<>"],#[[2]]],
Apply[StringJoin,
Riffle[Map[ToString,#[[4;;Length[#]-1]]]," "]]}&//
fmt1[#[[1]]]<>"\n"<>"\n"<>fmt2[#[[2]]]&
];
txt=url//
urlToDat//
Import[#,CharacterEncoding->"ShiftJIS"]&;
txt//
txtToDisplay[#,n]&
];
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