Question

The <a> tag like this:

<a data-hash="9aab8aa3af7dc519c643fdcfd973b040" href="http://www.zhihu.com/people/9aab8aa3af7dc519c643fdcfd973b040" class="member_mention" data-editable="true" data-title="@somebody" data-tip="p$b$9aab8aa3af7dc519c643fdcfd973b040">@somebody</a>

and I want get the url

href="http://www.zhihu.com/people/9aab8aa3af7dc519c643fdcfd973b040"

and the @somebody at the same time

I have tried like this:

href=\"(.*?)\">(.*?)</a>

The result is:

href="http://www.zhihu.com/people/9aab8aa3af7dc519c643fdcfd973b040" class="member_mention" data-editable="true" data-title="@somebody" data-tip="p$b$9aab8aa3af7dc519c643fdcfd973b040">@somebody</a>

Is anyone can give me some suggestion?

Answer 1

您还需要匹配锚标记内的额外参数。

"<a\\b[^>]*\\bhref=\"(.*?)\"[^>]*>(.*?)</a>"

或

"<a\\b[^>]*\\bhref=\"([^"]*)\"[^>]*>(.*?)</a>"

然后从组索引1和2中获取所需的字符串。您的正则表达式匹配以下所有字符（，即href属性旁边的字符），因为它查找>符号就在双引号之后。因此它在data-tip="p$b$9aab8aa3af7dc519c643fdcfd973b040">中找到匹配，因此该部分也会被第一个捕获组捕获。

DEMO

在objective-c中，我如何获得<a> tags using regular expression?

1 个答案: