使用正则表达式来获得多个HTML标记之间的文本 [英] Using regex to get text between multiple HTML tags

问题描述

使用正则表达式，我希望能够在多个DIV标签之间获取文本。例如，以下：

Using regex, I want to be able to get the text between multiple DIV tags. For instance, the following:

<div>first html tag</div>
<div>another tag</div>

将输出：

first html tag
another tag

正在使用的正则表达式只匹配我的最后一个div标签，并错过了第一个。
代码：

The regex pattern I am using only matches my last div tag and misses the first one. Code:

    static void Main(string[] args)
    {
        string input = "<div>This is a test</div><div class=\"something\">This is ANOTHER test</div>";
        string pattern = "(<div.*>)(.*)(<\\/div>)";

        MatchCollection matches = Regex.Matches(input, pattern);
        Console.WriteLine("Matches found: {0}", matches.Count);

        if (matches.Count > 0)
            foreach (Match m in matches)
                Console.WriteLine("Inner DIV: {0}", m.Groups[2]);

        Console.ReadLine();
    }

输出：

匹配项：1

Inner DIV：这是另一个测试

Inner DIV: This is ANOTHER test

推荐答案

使用非贪婪匹配替换模式

Replace your pattern with a non greedy match

static void Main(string[] args)
{
    string input = "<div>This is a test</div><div class=\"something\">This is ANOTHER test</div>";
    string pattern = "<div.*?>(.*?)<\\/div>";

    MatchCollection matches = Regex.Matches(input, pattern);
    Console.WriteLine("Matches found: {0}", matches.Count);

    if (matches.Count > 0)
        foreach (Match m in matches)
            Console.WriteLine("Inner DIV: {0}", m.Groups[1]);

    Console.ReadLine();
}

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