使用通配符匹配 URL

发布于 2024-09-07 04:28:32 字数 386 浏览 4 评论 0原文

我正在尝试将带有通配符的 URL 与实际 URL 进行匹配。例如：

http://*google.com/*

需要匹配

http://maps.google.com

解决

http://www.google.com/maps

这个问题的最佳方法是什么？

我尝试过使用正则表达式，当我手动编程时效果很好，但我不确定是否可以动态生成正则表达式，或者这是否是这种情况下的最佳实践。

/(http|https):\/\/.*\.?google\.com\/?.*/i

非常感谢。

原文

I'm trying to match URLs with wildcards in them to actual URLs. For example:

http://*google.com/*

Needs to match

http://maps.google.com

And

http://www.google.com/maps

What would be the best way of going about this?

I've tried using a regular expression and that works fine when I manually program it but I'm not sure whether it's possible to dynamically generate regular expressions or if that would be the best practice in this situation.

/(http|https):\/\/.*\.?google\.com\/?.*/i

Thanks very much.

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梦里人 2024-09-14 04:28:32

将模式中所有出现的 * 替换为 [^ ]* - 它匹配零个或多个非空格字符的序列。

因此 http://*google.com/* 将变为 http://[^ ]*google.com/[^ ]*

这是一个正则表达式任务：

regex = urlPattern.replace(/\*/g, "[^ ]*");

Replace all occurrences of * in the pattern with [^ ]* - it matches a sequence of zero or more non-space characters.

Thus http://*google.com/* will become http://[^ ]*google.com/[^ ]*

Here is a regular expression to do the task:

regex = urlPattern.replace(/\*/g, "[^ ]*");

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掩于岁月 2024-09-14 04:28:32

如果您想查看一个经过良好测试的用于提取 URI 部分的库，我会查看 Google Closure Library 的 goog.uri.utils 方法。

https://github.com/ google/closure-library/blob/8e44fb343fff467938f9476ba7f727c6acac76d8/closure/goog/uri/utils.js#L187

这是执行繁重工作的正则表达式：

goog.uri.utils.splitRe_ = new RegExp(
    '^' +
    '(?:' +
      '([^:/?#.]+)' +                     // scheme - ignore special characters
                                          // used by other URL parts such as :,
                                          // ?, /, #, and .
    ':)?' +
    '(?://' +
      '(?:([^/?#]*)@)?' +                 // userInfo
      '([\\w\\d\\-\\u0100-\\uffff.%]*)' + // domain - restrict to letters,
                                          // digits, dashes, dots, percent
                                          // escapes, and unicode characters.
      '(?::([0-9]+))?' +                  // port
    ')?' +
    '([^?#]+)?' +                         // path
    '(?:\\?([^#]*))?' +                   // query
    '(?:#(.*))?' +                        // fragment
    '
);

If you want to see a well tested library for extracting parts of a URI, I would check out Google Closure Library's goog.uri.utils methods.

https://github.com/google/closure-library/blob/8e44fb343fff467938f9476ba7f727c6acac76d8/closure/goog/uri/utils.js#L187

Here's the regex that does the heavy lifting:

goog.uri.utils.splitRe_ = new RegExp(
    '^' +
    '(?:' +
      '([^:/?#.]+)' +                     // scheme - ignore special characters
                                          // used by other URL parts such as :,
                                          // ?, /, #, and .
    ':)?' +
    '(?://' +
      '(?:([^/?#]*)@)?' +                 // userInfo
      '([\\w\\d\\-\\u0100-\\uffff.%]*)' + // domain - restrict to letters,
                                          // digits, dashes, dots, percent
                                          // escapes, and unicode characters.
      '(?::([0-9]+))?' +                  // port
    ')?' +
    '([^?#]+)?' +                         // path
    '(?:\\?([^#]*))?' +                   // query
    '(?:#(.*))?' +                        // fragment
    '
);

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