私のファイルには次の内容があります。 VimやTerminalを使って、以下のようにヘッダとその内容を抽出したいと思います。
この目標をどのように達成できますか？
Topic 1 - Core: Algebra
1.1
Arithmetic sequences and series; sum of finite arithmetic series; geometric sequences and series; sum of finite and infinite geometric series.
Sigma notation.
Applications.
1.2
Exponents and logarithms.
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文書
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ベストアンサー1
grep -oP '(?<="title":").*?(?=")' <INPUT_FILE>
説明する
grep -oP-o：Perl構文を使用して一致するもののみを印刷するには、grepを使用してください-p。(?<="title":")：Perlは逆さまに検索します。前の文字列と一致します"title":"。.*?：一致（および印刷）する実際の部分。プレビュー（次）の前の「貪欲ではない」文字の数と一致します。(?="）：Perl予測。"次の文字列と一致します。