求推荐正则表达式学习教程 - V2EX
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V2EX    Python

求推荐正则表达式学习教程

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  •   css3 2018-08-30 15:12:25 +08:00 2184 次点击
    这是一个创建于 2652 天前的主题,其中的信息可能已经有所发展或是发生改变。

    不懂正则,操作起字符来,一点都不方便,菜鸟教程上看了也是一知半解,求可以简单易懂的教程,有吗

    5 条回复    2018-09-04 17:10:59 +08:00
    sess222
        1
    sess222  
       2018-08-30 16:06:58 +08:00
    做爬虫规则的时候,各种狗急跳墙靠各路百度和幻想写几百个就会了,BS4,query 取不到或者不好取的关键数据多了去了。就是靠多练习,没法具体教,但是平常不用忘的也快,最后还是要去百度。。。
    wocanmei
        2
    wocanmei  
       2018-08-31 06:54:50 +08:00 via iPhone
    想系统学习的话 Mastering Regular Expressions,否则的话百度谷歌
    zaaazaa
        3
    zaaazaa  
       2018-09-01 15:03:18 +08:00
    项目驱动型学习
    huangke
        4
    huangke  
       2018-09-01 16:02:16 +08:00
    《正则表达式必知必会(修订版)》
    https://book.douban.com/subject/26285406/
    JerryV2
        5
    JerryV2  
       2018-09-04 17:10:59 +08:00
    这个教程很不错
    http://deerchao.net/tutorials/regex/regex.htm#negativelookaround

    4 楼推荐的书很好,买一本随时翻翻
    2 楼推荐的书也很好,推荐你熟知大部分正则语法后再看

    关键还是多用,强迫自己用
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