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function CharInString (S: string; Ch: Char): Boolean;var I: Integer;begin Result := False; for I := Low (S) to High (S) do if (S[I]) = Ch then begin Result := True; Exit; end;end;
function CharInString2 (S: string; Ch: Char): Boolean;var I: Integer;begin Result := False; for I := Low (S) to High (S) do if (S[I]) = Ch then Exit (True);end;
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