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CUPAIR
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vim 正则=~含义?

  •  
  •   CUPAIR 2022-08-30 22:53:36 +08:00 1971 次点击
    这是一个创建于 1137 天前的主题,其中的信息可能已经有所发展或是发生改变。
    • :echo "a " =~ "\s*结果是1
    • :echo "a " =~ "\s"结果是0

    \s*不应该是 0 个或者多个空格吗,那如果=~是完全匹配整个字符串的话,那上面两条都应该是 0 ;如果是部分匹配那应该都是 1 啊,求解惑

    :help =~的解释

    use 'ignorecase' match case ignore case ~
    regexp matches =~ =~# =~?
    6 条回复    2022-08-31 15:24:46 +08:00
    wxf666
        1
    wxf666  
       2022-08-30 23:12:25 +08:00
    这样?

    :echo "a " =~ "\\s"
    wxf666
        2
    wxf666  
       2022-08-30 23:12:54 +08:00
    写漏了

    :echo "a " =~ "\\s"
    wxf666
        3
    wxf666  
       2022-08-30 23:14:30 +08:00
    诶,没写漏。。 @lisongeee 为嘛你的 markdown 油猴脚本,会自动吃掉一个 反斜杠 \ ?
    lisongeee
        4
    lisongeee  
       2022-08-31 01:08:26 +08:00
    wxf666
        5
    wxf666  
       2022-08-31 01:44:03 +08:00
    @lisongeee 啊,写了这么久 markdown ,居然没注意到这个基础语法规则。。
    CUPAIR
        6
    CUPAIR  
    OP
       2022-08-31 15:24:46 +08:00
    @wxf666 破案了,\\s 才是匹配空格, \s 匹配的是单词 s. 右边是左边子集为 1 ,否则为 0.
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