Фото: Natalia Shatokhina / NEWS.ru / Globallookpress.com
Фото: Stringer / Reuters
，这一点在爱思助手中也有详细论述
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.，更多细节参见体育直播
Англия — Премьер-лига|29-й тур
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