ohbarye https://blog.hatena.ne.jp/ohbarye/ valid,invalid https://ohbarye.hatenablog.jp/ Ruby csv_body = "line 1\r\nline 2\nline 3\rline 4" csv_body.lines # => ["line 1\r\n", "line 2\n", "line 3\rline 4"] # String#lines は \r を改行コードとみなさない csv_body.lines.map(&:chomp) # => ["line 1", "line 2", "line 3\rline 4"] # さらに String#chomp してやらないといけない csv_body.split(/\R/) # => ["line 1", "line 2", "line … 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fohbarye.hatenablog.jp%2Fentry%2F2016%2F06%2F07%2F215425" title="Ruby で文字列を改行コードで区切る - valid,invalid" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2016-06-07 21:54:25 rich https://ohbarye.hatenablog.jp/entry/2016/06/07/215425 1.0 100%