<.*> <.*?> <[^>]*> <[^>\n]*> \bworth +\S+ing\b \bworth\W* +\S+ing\b \bworth[^.]*\S+ing\b \bworth\s+\S+ing\b \bworth\W+\S+ing\b \bworth[^\w\n]\S+ing\b \bworth[^\w\n.]\S+ing\b ■4.10 <!-- コメントアウト (補集合が改行コードにもマッチする点に注意) .* が含まれる場合，「. が全ての文字にマッチ」のオン・オフで結果が変わる --> It was not a risk worth taking. It was not a risk worth taking. It was not a risk "worth" taking. No one knows just how much they are worth. During that time, How much is it worth? According to the Department, it is ... It was not a risk worth taking. ↓スペースによるインデント It was not a risk worth taking. ↓タブによるインデント It was not a risk worth taking.