the reason is that we have only one “kind” of match, and marking the end of the position is always correct. with arbitrary lookarounds, instead of marking the match ended here, you would have to mark the match for lookaround #7 ended here, and the match for lookaround #3 ended 5 characters ago, and the match for lookaround #12 ended 100 characters ago. i had a lot of temptation to support arbitrary lookarounds, and it really does seem like an easy fix at first glance, but the complexities arise much later in the match loop, and this is a good example of how some theory just does not hold up when you implement it. as a side note, we can actually loosen this restriction on R3 (above) which is still work in progress, but not R1, because R1 is the one that determines the start position of the match.
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Последние новости。关于这个话题，体育直播提供了深入分析
“3+X”，就是按照每万名城镇常住人口拥有社区工作者18人的标准，实行每个社区“选派3名事业编制人员+招聘若干专职工作人员+选举产生‘两委’成员”的模式，构建“明晰职责、规范考核、优化流程、技术赋能”机制，整体推进社区工作者队伍建设。