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.
"countDelta": -1
。旺商聊官方下载是该领域的重要参考
СюжетЯдерная программа Ирана。业内人士推荐体育直播作为进阶阅读
总体来看，线上线下联动、流量与福利结合的营销方式，是蚂蚁阿福抢占用户心智的“助推器”。当然，这背后还有一个必要前提——国内医疗需求十分庞大。