\documentclass{article} \usepackage{arydshln} \usepackage{bidi} \title{Testing \textsf{arydshln} Package in LTR and RTL modes} \author{} \date{} \begin{document} \maketitle \section{LTR Mode} \begin{center} \begin{tabular}{|l::c;{2pt/2pt}r|}\hline A&B&C\\\hdashline[1pt/1pt] AAA&BBB&CCC\\\cdashline{1-2}[.4pt/1pt] \multicolumn{2}{|l;{2pt/2pt}}{AB}&C\\\hdashline\hdashline \end{tabular} \end{center} \section{RTL Mode} \begin{RTL} \begin{center} \begin{tabular}{|r::c;{2pt/2pt}l|}\hline A&B&C\\\hdashline[1pt/1pt] AAA&BBB&CCC\\\cdashline{1-2}[.4pt/1pt] \multicolumn{2}{|r;{2pt/2pt}}{AB}&C\\\hdashline\hdashline \end{tabular} \end{center} \end{RTL} \end{document}