2026-02-28 00:00:00:0王世俭3014269210http://paper.people.com.cn/rmrb/pc/content/202602/28/content_30142692.htmlhttp://paper.people.com.cn/rmrb/pad/content/202602/28/content_30142692.html11921 从定西“土山”到江津石佛寺（我家门口有文物）
Equivalent to the :f and :f，详情可参考新收录的资料
。关于这个话题，新收录的资料提供了深入分析
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RE# does it all in a single pass with no rewinding. the way this works is by treating a lookaround as a single container node that holds both the assertion body and its tail (the continuation after the lookahead). instead of (?=L) being a standalone zero-width node followed by R, the engine represents the whole thing as one lookahead(body=L, tail=R) node:，更多细节参见新收录的资料