$ perl -v | head -2 | tail -1
This is perl 5, version 24, subversion 0 (v5.24.0) built for darwin-thread-multi-2level

##</code><code>##

$ perl -C -E 'say "\N{alpha}"'
Unknown charname 'alpha' at -e line 1, within string
Execution of -e aborted due to compilation errors.

##</code><code>##

use charnames qw(greek);

##</code><code>##

$ perl -E 'use charnames (); say $charnames::VERSION'
1.43

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$ perl -MUnicode::UCD=charprops_all -E 'say charprops_all("U+$_")->{Age} for qw{3b1 df a3}'
V1_1
V1_1
V1_1