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This article mainly introduces "how to use JavaScript regular expression to parse URL". In daily operation, I believe many people have doubts about how to use JavaScript regular expression to parse URL. Xiaobian consulted all kinds of data and sorted out simple and easy-to-use operation methods. I hope it will be helpful to solve the doubt of "how to use JavaScript regular expression to parse URL". Next, please follow the editor to study!

A regular expression is an object that describes a character pattern.

First of all, this article does not directly tell you what the regular expression of url is and how to use this regular expression to parse an URL address. I believe this problem can already be found on the network. The purpose of this article is to teach you how to understand URL's regular expressions in order to understand regular expressions and to be able to write relatively simple regularities in future work. To get to the point, let's take a look at the example:

Var parse_url = / ^ (?: ([A-Za-z] +):)? (\ / {0Magne3}) ([0-9.\-A-Za-z] +) (?: (\ d +))? (?: / ([^? #] *))? (?:\? ([^ #] *))? (?: # (. *))? $/ Var parse_url = / ^ (?: ([A-Za-z] +):)? (\ / {,}) ([-.\-A-Za-z] +) (?:: (\ d +))? (?:\ / ([^? #] *) (?: ([^ #] *))? (?: # (. *))? $/; var url = "http://qiji.kerlai.net:/GoodsBasic/Operate/?q#simen";" Var result = parse_url.exec (url); var names = ["url", "scheme", "slash", "host", "port", "path", "query", "hash"]; for (var iTunes; I

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