30102 如何用正则匹配出 01 02 - V2EX
V2EX = way to explore
V2EX 是一个关于分享和探索的地方
现在注册
已注册用户请  登录
learningman
V2EX    正则表达式

30102 如何用正则匹配出 01 02

  •  
  •   learningman 2020-02-23 13:36:51 +08:00 1534 次点击
    这是一个创建于 2062 天前的主题,其中的信息可能已经有所发展或是发生改变。

    30102如何用正则匹配出01 02

    前面这个串还可能是507080910,这时要匹配出07 08 09 10,所以 split 方法不可行

    我感觉应该是只能两次正则了。。。

    7 条回复    2020-02-23 16:03:16 +08:00
    delectate
        1
    delectate  
       2020-02-23 13:45:40 +08:00   1
    (0102|07080910)
    learningman
        2
    learningman  
    OP
       2020-02-23 14:00:45 +08:00
    @delectate 这只是两个例子,第一个数字可以是 1-7,后面的从 01-10 都有可能。。。而且是要把后面的数字两个两个的切割出来
    aheadlead
        3
    aheadlead  
       2020-02-23 14:06:25 +08:00
    Vegetable
        4
    Vegetable  
       2020-02-23 14:17:58 +08:00
    你在#2 回复的规则已经很清楚了不是吗?去掉第一个数字再切不行吗?为什么需要正则?
    imn1
        5
    imn1  
       2020-02-23 14:20:57 +08:00
    就是去掉首位两两切
    所以为何切片不行?
    learningman
        6
    learningman  
    OP
       2020-02-23 14:41:24 +08:00
    @Vegetable python 怎么操作。。。我现在是用 findall 和'\d\d'
    imn1
        7
    imn1  
       2020-02-23 16:03:16 +08:00
    s='507080910'
    [s[i:i+2] for i in range(1, len(s), 2)]

    re.findall(r'.{2}', s[1:])
    关于     帮助文档     自助推广系统     博客     API     FAQ     Solana     4607 人在线   最高记录 6679       Select Language
    创意工作者们的社区
    World is powered by solitude
    VERSION: 3.9.8.5 26ms UTC 05:36 PVG 13:36 LAX 22:36 JFK 01:36
    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