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@kenbu(kenbu)

[Ruby]gsubとsubの違い

Last updated at Posted at 2017-02-19

sub

初めにマッチした部分のみ置換

>> "hoge hoge".sub('hoge', 'ruby')
=> "ruby hoge"

gsub

マッチした部分全てを置換

>> "hoge hoge".gsub('hoge', 'ruby')
=> "ruby ruby"
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