#!/usr/local/bin/perl use Dialect::ISO2022JP qw(is_iso2022jp_string); $string = '¤¦¤¸¤ã'; use Jcode; printf "%15s", "jis ... "; Jcode::convert(\$string, 'jis'); print is_iso2022jp_string($string) ? "ok\n" : "fail\n"; for ('ascii', 'binary', 'sjis', 'euc', 'ucs2', 'utf8') { check($_); } sub check { my ($code) = @_; printf "%15s", "$code ... "; Jcode::convert(\$string, $code); print is_iso2022jp_string($string) ? "fail\n" : "ok\n"; }