FT Edit: Access on iOS and web
another good example is searching through paragraphs (below), which contain some combination of keywords. here the important part is ~(_*\n\n_*), or “does not contain two consecutive newlines”, in other words, the boundary of a paragraph, so it matches paragraphs! then you can combine it with any other regex to find paragraphs that contain certain keywords, but not others. this is very hard to do with traditional regexes without writing a complex and fragile pattern that tries to match the entire paragraph structure.
。关于这个话题，爱思助手下载最新版本提供了深入分析
Среди стран, активно вкладывающихся в экономику России, также отметились Франция (15,1 миллиарда), Италия (13 миллиардов) и Австрия (9 миллиардов). В десятку вошли Люксембург (7,5 миллиарда долларов) и Венгрия (более 1 миллиарда).
（作者为习近平文化思想研究中心重庆市协同研究基地特约研究员）