arcright https://blog.hatena.ne.jp/arcright/ chulip.org https://chulip.org/ Ruby "aaa,bbb,ccc" =~/(.*),(.*),(.*)/ # MatchDataオブジェクトが$~で取れる $~ => #<MatchData "aaa,bbb,ccc" 1:"aaa" 2:"bbb" 3:"ccc"> $& =>"aaa,bbb,ccc" # $&も含めたArrayを返す $~.to_a => ["aaa,bbb,ccc", "aaa", "bbb", "ccc"] # $&抜きのArray $~.captures => ["aaa", "bbb", "ccc"] # なんか個別にとったりする $1 => "aaa" $2 => "bbb" $3 => "ccc" 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fchulip.org%2Fentry%2F20101007%2F1286473440" title="Rubyで正規表現を使う - chulip.org" 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 2010-10-07 02:44:00 rich https://chulip.org/entry/20101007/1286473440 1.0 100%