質問編集履歴
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追記
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@@ -23,3 +23,53 @@
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Ruby ver2.1
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Rails ver5.1
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#追記
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###### @csv_export_template.clumn_namesの中身
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id,lastname,lastname_kana
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###### User.csv_column_namesの中身
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{
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id: "ID::id",
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lastname: "苗字::lastname",
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lastname_kana: "ふりがな（苗字）::lastname_kana"
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・
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・
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・
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}
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``id,lastname,lastname_kana``に該当する``key``を
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`` User.csv_column_names``から取り除くことが目的です。
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#現状
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``:id, :lastname, :lastname_kana``を動的に変えるため、正規表現を伺いました。
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```ruby
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- User.csv_column_names.except!(:id, :lastname, :lastname_kana).each do |k, v|
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li data-clumn-name="#{k}"
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= v
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```
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