[^=]+$ 这个正则该怎么理解? - V2EX
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GromHellscream
V2EX    正则表达式

[^=]+$ 这个正则该怎么理解?

  •  
  •   GromHellscream 2020-06-04 23:43:39 +08:00 2273 次点击
    这是一个创建于 1960 天前的主题,其中的信息可能已经有所发展或是发生改变。
    我的理解是这样:
    1. $ 表示从输入的结尾开始匹配
    2. + 表示前面匹配的项以出现一次或多次
    3. [^=] 表示匹配所有非 = 的内容

    请问大家,我这样的理解对吗?谢谢
    8 条回复    2020-06-05 07:37:56 +08:00
    vibbow
        1
    vibbow  
       2020-06-04 23:47:32 +08:00
    [^=]+$
    ------

    [^=]+$

    Options: Casesensitive; Exactspacing; Dotdoesn’tmatchlinebreaks; ^$don’tmatchatlinebreaks; Greedyquantifiers; Regexsyntaxonly

    * [Match any character that is NOT a “=”][1] `[^=]+`
    * [Between one and unlimited times, as many times as possible, giving back as needed (greedy)][2] `+`
    * [Assert position at the end of the string, or before the line break at the end of the string, if any (line feed)][3] `$`

    Created with [RegexBuddy]( https://www.regexbuddy.com/)

    [1]: https://www.regular-expressions.info/characters.html
    [2]: https://www.regular-expressions.info/repeat.html
    [3]: https://www.regular-expressions.info/anchors.html
    vibbow
        2
    vibbow  
       2020-06-04 23:47:53 +08:00
    说好的可以贴 MD 格式呢。。。
    vibbow
        3
    vibbow  
       2020-06-04 23:48:46 +08:00
    GromHellscream
        4
    GromHellscream  
    OP
       2020-06-05 00:01:22 +08:00
    @vibbow 谢谢老哥,这软件真好,可惜 win 限定。
    那根据这内容,我的理解是对的喽?
    GromHellscream
        5
    GromHellscream  
    OP
       2020-06-05 00:05:34 +08:00
    @vibbow 再次感谢,这 regular-expressions.info 网站真好,谢谢
    ulala
        6
    ulala  
       2020-06-05 05:22:30 +08:00 via iPad
    @GromHellscream 就是匹配开头不是等号的非空行。
    ulala
        7
    ulala  
       2020-06-05 05:28:56 +08:00 via iPad
    哦,不对,是不以等号结尾的非空行,匹配该后缀
    jxie0755
        8
    jxie0755  
       2020-06-05 07:37:56 +08:00 via iPhone
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