You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
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export function trimTopic(topic: string) {
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const s = topic.split("").slice(0, 20);
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let lastChar = s.at(-1); // 获取 s 的最后一个字符
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let pattern = /[，。！？、]/; // 定义匹配中文标点符号的正则表达式
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while (lastChar && pattern.test(lastChar!)) {
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s.pop();
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lastChar = s.at(-1);
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}
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return s.join("");
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}
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