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var
in_star,in_end:integer;
begin
in_star:=AnsiPos(strbegin,strsource)+length(strbegin);
in_end:=AnsiPos(strend,strsource);
result:=copy(strsource,in_sta,in_end-in_star);
end;
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function AnsiPos(const Substr, S: string): Integer
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