日立製作所の最先端技術「CMOSアニーリング」とは詳しくはこちら
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[Ruby] 特定の文字列カウント

Ruby
More than 3 years have passed since last update.

一文字

"hoge hoge".count('h')  # => 2

文字列

"hoge hoge".scan('hoge').size  # => 2
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hkengo
@hkengo
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