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this breaks things that should obviously work. take the distributive law: (a|ab)(c|b) and (a|ab)c|(a|ab)b are logically the same pattern - you can verify this yourself by just expanding the terms. but in PCRE, the first matches ab in the input abc, while the second matches abc. two equivalent patterns, two different results.
。关于这个话题，clash下载 - clash官方网站提供了深入分析
During the period of initial development, it was hard to split work among teams or developers (the “everyone must know everything” syndrome);
为打破核心业务的增长瓶颈，涪陵榨菜多年来一直试图拓展新业务，布局泡菜、萝卜、下饭菜等亲缘性品类，以及复合调味品等新赛道，但截至目前，这些新业务均未能建立有效的业绩支撑，第二增长曲线尚未形成。