if you run this algorithm left to right, it will mark the position of every valid end of a match. if you run it right to left, it will mark the position of every valid start of a match. and if you run it in both directions, you can combine the results to get the leftmost-longest match, which is what you intuitively expect when you think of regex matching. this is a bit more work to set up, but it doesn’t change the core algorithm at all.
从股价走势看，先导智能股价自2024年下半年起随业绩预期好转逐步回升，2025年盈利高增推动股价进一步走高。截至2026年2月24日，股价为54.43元。
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在视觉呈现上，联想还带来了一台名为 Yoga Book Pro 3D 的概念本，搭载英特尔酷睿 Ultra 7 处理器和 Nvidia GeForce RTX 5070 显卡，通过追踪用户的眼球轨迹，能在两块艳丽的 OLED 屏幕上直接渲染出裸眼 3D 效果。