Quick Question. Which is more impactful to performance?

set $!session  = re_extract($msg, 
'^.*[\\^][0-9.-]+\\|[A-Z]+\\|[a-zA-Z0-9.-]+\\|[a-zA-Z0-9._-]+\\|[a-zA-Z0-9]*\\|([a-zA-Z0-9._-]*)[~]*[a-zA-Z0-9._-]*\\|.*',
 0, 1, 'N/A');

or

set $!session  = field(field(field($msg, 94, 2), 124, 6), 126, 1);

I'm going to do some testing, but if I can get a quick response here it could 
save me some time. I would expect the re_extract function to be, but I'm not 
familiar with how the code for field works so I can't make that assumption.

Thanks!

-- James
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