Трамп высказался о непростом решении по Ирану09:14
Article InformationAuthor, 凱瑟琳·維亞特（Catherine Wyatt）
。PDF资料是该领域的重要参考
Виктория Кондратьева (Редактор отдела «Мир»)
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.