http://www.perlmonks.org?node_id=455866


in reply to What is the best way to find the key is exists or not in a hash ?

if (grep/^keyvalue$/, keys %data) { print "yes";  }
# and
if (defined $data{keyvalue}) { print "yes"; }
# and if you also are sure there is value data in your hash
if ($data{keyvalue}) { print "yes"; }

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-Vlad

In Section Seekers of Perl Wisdom