Similarly, we can ask if the regex accepts no strings or one single static string. To do this, we ask Ostrich to find two distinct strings matching the regex and require that neither be empty:
近日，有不少消息爆出 OpenAI 或将推出名为「GPT-5.4」的新模型，我们为你总结了新模型可能拥有的特点：
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“The room for creativity is very, very large, but we are drilled into a narrow vision of what we are supposed to do, and I think that’s the fundamental thing that will change about humanity,” Khosla said. “AI will free us to be more human, in my view.”
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18:35, 4 марта 2026Силовые структуры，更多细节参见PDF资料