Last Updated
：2025/11/24
Kleene star
Noun
Japanese Meaning
与えられた集合から０個以上の文字列を連接する演算子として利用されるアスタリスク(*)のこと。特に正規表現などにおいて、文字列の集合を示すために用いられる。
（ plural ）
Quizzes for review
(logic, computing theory) The asterisk, *, used as an operator to concatenate zero or more strings from a given set, widely used in regular expressions.
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Kleene star
When you apply the Kleene star to the set {a, b}, you can generate strings like '', 'a', 'bb', and 'abba'.
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When you apply the Kleene star to the set {a, b}, you can generate strings like '', 'a', 'bb', and 'abba'.
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