求教,如何系统性的学习正则表达式? - V2EX
rainfy

求教,如何系统性的学习正则表达式?

  •  
  •   rainfy Jun 13, 2024 3090 views
    This topic created in 698 days ago, the information mentioned may be changed or developed.

    之前都是看了网上的一些入门教程,把业务完成就算了,给个正则也能看个 7788 ,但是一些复杂的用法就不清楚了。想系统性的学习一下,请问有什么书或者视频教程推荐的?

    13 replies    2024-06-17 17:54:54 +08:00
    elron
        2
    elron  
       Jun 13, 2024
    这玩意用到现查就行,实在不行用 gpt
    adoal
        3
    adoal  
       Jun 13, 2024
    《正则指引》,余晟著
    my3157
        4
    my3157  
       Jun 13, 2024
    经典文章: 正则表达式 30 分钟入门教程 https://deerchao.cn/tutorials/regex/regex.htm
    mogita
        5
    mogita  
       Jun 13, 2024
    https://www.ituring.com.cn/book/2558

    我看的这本小册子,非常薄随时可以浏览和查找知识点
    montaro2017
        6
    montaro2017  
       Jun 13, 2024
    shimanooo
        7
    shimanooo  
       Jun 13, 2024
    1. 了解最基础的正则表达式 -- 实际上只有“或|”、“(分组)”、“重复*”三个概念
    2. 了解正则表达式和 FSA 的关系, 并实现简易正则引擎
    3. 了解正则表达式的局限性 -- 不要试图用正则表达式匹配括号
    3. 了解正则表达式的语法糖 -- 那些花里胡哨的都是上面三个概念的扩展
    dallaslu
        8
    dallaslu  
       Jun 13, 2024
    会打麻将不?如果能看懂 [匹配麻将和牌的正则表达式]( https://dallas.lu/mahjong-regex/),就算出师了。(问题是现在我自己都有点看不懂了)
    dallaslu
        9
    dallaslu  
       Jun 13, 2024
    lixile
        10
    lixile  
       Jun 13, 2024
    我是没怎么学会
    每次都是
    https://regex101.com/ 实时反馈 现学现用
    rainfy
        11
    rainfy  
    OP
       Jun 17, 2024
    @montaro2017 我看了,很有收获!!
    rainfy
        12
    rainfy  
    OP
       Jun 17, 2024
    @my3157 这个也不错!!
    rainfy
        13
    rainfy  
    OP
       Jun 17, 2024
    @lixile 我之前也是,上次 GPT 写了一个我不完全认识就决定学一下!! 我看了 B 站一个老哥的视频和评论区的几天帖子,感觉我现在强的可怕
    About     Help     Advertise     Blog     API     FAQ     Solana     3323 Online   Highest 6679       Select Language
    创意工作者们的社区
    World is powered by solitude
    VERSION: 3.9.8.5 69ms UTC 13:39 PVG 21:39 LAX 06:39 JFK 09:39
    Do have faith in what you're doing.
    ubao msn snddm index pchome yahoo rakuten mypaper meadowduck bidyahoo youbao zxmzxm asda bnvcg cvbfg dfscv mmhjk xxddc yybgb zznbn ccubao uaitu acv GXCV ET GDG YH FG BCVB FJFH CBRE CBC GDG ET54 WRWR RWER WREW WRWER RWER SDG EW SF DSFSF fbbs ubao fhd dfg ewr dg df ewwr ewwr et ruyut utut dfg fgd gdfgt etg dfgt dfgd ert4 gd fgg wr 235 wer3 we vsdf sdf gdf ert xcv sdf rwer hfd dfg cvb rwf afb dfh jgh bmn lgh rty gfds cxv xcv xcs vdas fdf fgd cv sdf tert sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf shasha9178 shasha9178 shasha9178 shasha9178 shasha9178 liflif2 liflif2 liflif2 liflif2 liflif2 liblib3 liblib3 liblib3 liblib3 liblib3 zhazha444 zhazha444 zhazha444 zhazha444 zhazha444 dende5 dende denden denden2 denden21 fenfen9 fenf619 fen619 fenfe9 fe619 sdf sdf sdf sdf sdf zhazh90 zhazh0 zhaa50 zha90 zh590 zho zhoz zhozh zhozho zhozho2 lislis lls95 lili95 lils5 liss9 sdf0ty987 sdft876 sdft9876 sdf09876 sd0t9876 sdf0ty98 sdf0976 sdf0ty986 sdf0ty96 sdf0t76 sdf0876 df0ty98 sf0t876 sd0ty76 sdy76 sdf76 sdf0t76 sdf0ty9 sdf0ty98 sdf0ty987 sdf0ty98 sdf6676 sdf876 sd876 sd876 sdf6 sdf6 sdf9876 sdf0t sdf06 sdf0ty9776 sdf0ty9776 sdf0ty76 sdf8876 sdf0t sd6 sdf06 s688876 sd688 sdf86