End of Life Ruby 3.0 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →
class method
Kconv.iseuc
Kconv.iseuc(str) => true or false
ext/nkf/lib/kconv.rb
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# File tmp/rubies/ruby-3.0.5/ext/nkf/lib/kconv.rb, line 156
def iseuc(str)
str.dup.force_encoding(EUC).valid_encoding?
end
Returns whether input encoding is EUC-JP or not.
Note don’t expect this return value is MatchData.