instance method String#codepoints
each_codepoint {|codepoint| block } -> selfcodepoints {|codepoint| block } -> selfeach_codepoint -> Enumeratorcodepoints -> Enumerator-
文字列の各コードポイントに対して繰り返します。
#coding:UTF-8 "hello わーるど".codepoints.to_a # => [104, 101, 108, 108, 111, 32, 12431, 12540, 12427, 12393]
class String