What the problem is? 
$command = 'C:/this/is/atest/';
$command =~ s!/!\\!g;    # Swap '/' for '\'
die $command;
__END__
C:\this\is\atest\ at - line 3.

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In reply to Re^3: replace / with \ using regular expressions? by Anonymous Monk
in thread replace / with \ using regular expressions? by Anonymous Monk

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