请教一个关于正则的问题 - V2EX
anxiousPumpkin

请教一个关于正则的问题

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  •   anxiousPumpkin Feb 12, 2020 1283 views
    This topic created in 2302 days ago, the information mentioned may be changed or developed.

    我在写一个小爬虫时遇到一个正则的问题 在页面里我需要爬下来若干的迅雷链接和磁力链接,但是如何以一个单词开头来匹配获取 比如这样的 html text

    """

    href="abcabcabc" href="thunder://xunleiurlxxxxx" href="magnet:?xt:ciliurlxxxxx" 

    """

    我想要爬下来后两条的 url,我自己写的规则是这样的

    href="([thunder://magnet:?].*?)"

    关于这个[]内的内容我不太清楚该怎么写,所以我只是将要匹配内容的开头放入[]中了,这样匹配出来的内容是

    ['abcabcabc', 'thunder://xunleiurlxxxxx', 'magnet:?xt:ciliurlxxxxx']

    多匹配出来了'abcabcabc',所以请问大神们该怎么写才能满足我的需求,感恩

    Sunyanzi
        1
    Sunyanzi  
       Feb 12, 2020   2
    (?:thunder|magnet):.+ ... 或者精确一些的话写 (?:thunder://|magnet:\?).+ ...
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