干净 URL 的正则表达式
干净的 URL 看起来很简单，但我需要一个特殊的情况。我希望能够包含 .html 后缀或不包含任何内容，但不包含任何其他扩展名：
someurl = pass someurl/somepage = pass someurl.html = pass someurl/somepage.html = pass someurl.css = fail someurl.exe = fail someurl.anyotherextension = fail someurl/someother.ext = fail
这可能吗？我是否必须以某种方式排除我不想要的扩展？
编辑：
到目前为止，所有答案似乎都不起作用。我自己发现的唯一有效的方法是：
^/([\w]*(.html)?)$but it will not work with slashes in the url. Adding a slash inside the character class brackets makes it fail.
Clean URLs seem pretty simple but I'm in need of a special situation. I would like to be able to include the .html suffix or nothing at all but not any other extension:
someurl = pass someurl/somepage = pass someurl.html = pass someurl/somepage.html = pass someurl.css = fail someurl.exe = fail someurl.anyotherextension = fail someurl/someother.ext = fail
Is this possible? Would I have to somehow exclude the extensions I don't want?
Edit:
None of the answers so far seem to work. The only thing that I've discovered on my own that works is:
^/([\w]*(.html)?)$
but it will not work with slashes in the url. Adding a slash inside the character class brackets makes it fail.
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评论（5）
试试这个：
翻译：如果有一个（如果没有，则从字符串的开头）匹配除
/或之外的任何内容中的一个或多个，则从最后一个，可选地以/开始>..html终止。Try this:
Translation: starting from the last
/if there is one (or from the beginning of the string if not) match one or more of anything except/or., optionally terminated by.html.以“.html”结尾或没有“.”从 url 的开头或最后一个 / 到结尾（您可以拥有包含“.”的文件夹）
ending with ".html" or have no "." from the beginning of the url or the last / to the end (you can have folders containing a ".")
这又如何呢？
它匹配不包含任何
.的字符串或以.html结尾的字符串。或者，如果您想在“文件夹”名称中使用点，请使用此选项：
匹配最后一个
/之后不包含.的字符串或以 < 结尾的字符串代码>.html。What about this?
This matches either a string that doesn't contain any
.or a string that ends with.html.Or use this, if you want to use dots in your "folder" names:
Matches either a string that contains no
.after the last/or a string that ends with.html.用于带有 .html 扩展选项的干净 URL 的正则表达式选项：
完整的 lighttpd.conf 行：
快速提醒：文件的绝对路径或基本 href 应该在传递此正则表达式的任何页面中实现。
Regex option for clean URLs with .html extension option:
Full lighttpd.conf line:
Quick reminder: Absolute paths to files or a base href should be implemented in any pages that pass this regex.
不要尝试使用正则表达式来匹配您想要允许的 URL（正如其他答案似乎尝试的那样），而是使用正则表达式来匹配您想要阻止的 URL：
此正则表达式匹配 URL 的扩展名，除非扩展名是
.html。没有扩展名或.html扩展名的 URL 不匹配。您的示例不包含带有查询 (?param=value) 或片段 (#anchor) 的 URL，因此正则表达式不会考虑这些。我还假设您的正则表达式风格支持 lookahead。Instead of trying to use a regex to match the URLs you want to allow (as the other answers seem to try), use a regex to match the URLs that you want to block:
This regex matches the extension of a URL, unless the extension is
.html. URLs without an extension or an.htmlextension are not matched. Your examples don't include URLs with queries (?param=value) or fragements (#anchor) so the regex does not account for those. I'm also assuming your regex flavor supports lookahead.