Rubyで文字列を指定文字数分割してハイフンで連結する
split.rb '123456789'.unpack('a2a3a4').join('-') # => '12-345-6789'
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split.rb '123456789'.unpack('a2a3a4').join('-') # => '12-345-6789'
1 search resultsShowing 1~1 results
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