The quotes inside the regex seem to be a problem, since there are no such quotes in the command.

$ perl -wE '"sort by CPU" =~ m/sort\s+by\s+(CPU|USER|PID)/ and say $1'
CPU

[download]

Works just fine.

Perl 6 - second systems done right

In reply to Re: regex issue by moritz
in thread regex issue by perlNewby

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