Can I break my Perl regex into multiple lines in my code?

Question

I was just wondering if I am able to break up a long regular expression that I have in my Perl code so that it is written over several lines? I just want the readability an

Answer 1

Use the + symbol. Here is example:

push @steps, $steps[-1] +
        $radial_velocity * $elapsed_time +
        $orbital_velocity * ($phase + $phase_shift) -
        $DRAG_COEFF * $altitude;