Source: cirosantilli/print-only-the-matching-group-in-perl
= Print only the matching group in Perl
https://stackoverflow.com/questions/5617314/perl-regex-print-the-matched-value/5617355#5617355
``
perl -lne 'print for /mykey=(\d+)/'
``
= Print only the matching group in Perl
https://stackoverflow.com/questions/5617314/perl-regex-print-the-matched-value/5617355#5617355
``
perl -lne 'print for /mykey=(\d+)/'
``