[1] [CITE@en-us[UTS #18: Unicode Regular Expressions]]
( ([TIME[2012-07-19 21:56:19 +09:00]] 版))
<http://www.unicode.org/reports/tr18/#Individually_Named_Characters>

[2] [CITE[charnames - search.cpan.org]]
( ([TIME[2013-10-28 10:18:01 +09:00]] 版))
<http://search.cpan.org/dist/perl/lib/charnames.pm>