我想匹配除给定单词之外的所有内容,因此给出以下列表:
- wordOne
- wordTwo/xy/z
- word-three
- word-four/lots/of/stuff
我可以使用这个正则表达式匹配除wordOne之外的所有内容:
- (?!wordOne)\b.+
- ==>
- wordTwo/xy/z
- word-three
- word-four/lots/of/stuff
但是,如果我想匹配除了包含连字符/破折号的单词之外的所有内容,则相同的正则表达式不起作用,因为连字符不是单词边界的一部分 – 这是[a-zA-Z0-9_]
例如
- some-regexp(word-four)
- ==>
- wordOne
- wordTwo/xy/z
- word-three
和
- some-regexp(word-four and word-three)
- ==>
- wordOne
- wordTwo/xy/z
我可以看到你在示例中每行定义一个单词.在这种情况下,这个正则表达式应该适合你:
- ^(?:(?!word-four|word-three).)*$
它会跳过包含四字或三字的单词.
根据你的例子:
- ^(?:(?!wordOne).)*$
- ==>
- wordTwo/xy/z
- word-three
- word-four/lots/of/stuff
- ^(?:(?!word-four).)*$
- ==>
- wordTwo/xy/z
- word-three
- word-four/lots/of/stuff
- ^(?:(?!word-four|word-three).)*$
- ==>
- wordOne
- wordTwo/xy/z
在rubular上看到它.