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求一行正则表达式，哪位能帮帮忙？

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Release： 2016-06-06 20:48:55
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求一行正则表达式，哪位能帮帮忙？

准备在这个软件里用

如果含有 “问答”、“百度”、"搜索" 这三个词当中的任意一个或几个，就把这几个词提取出来，并用逗号隔开

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求一行正则表达式，哪位能帮帮忙？

准备在这个软件里用

如果含有 “问答”、“百度”、"搜索" 这三个词当中的任意一个或几个，就把这几个词提取出来，并用逗号隔开

<code class="lang-php"><?php preg_match_all('#(问答|百度|搜索)#ius','如果含有"问答"、"百度"、...',$matches);
print_r($matches[1]); //Array ( [0] => 问答 [1] => 百度 )
echo implode(',', $matches[1]); //问答,百度
</code>
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