正则表达式(2) : 提取{}之间的内容

最新推荐文章于 2024-01-09 13:52:26 发布

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原文链接：https://bbs.youkuaiyun.com/topics/391957642 https://www.cnblogs.com/mi21/p/10361886.html

文章标签：

#提取{}之间的内容 #java 正则提取指定内容 #java正则表达式提取指定内容 #java正则提起包含内容

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本文详细介绍了一种使用正则表达式从字符串中提取特定格式数据的方法，通过具体实例展示了如何匹配并抓取以特定字符开始和结束的子串，适用于处理包含复杂嵌套结构的文本。

参考 :

https://www.cnblogs.com/mi21/p/10361886.html

https://bbs.youkuaiyun.com/topics/391957642


import java.util.LinkedList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * @Auther: liyue
 * @Date: 2019/12/5 17:55
 * @Description:
 */
public class RegExUtil {

    private static final String start = "{";
    private static final String end = "}";
    private static final String start2 = "[";
    private static final String end2 = "]";
    private static String s = "[";
    private static String e = "]";

    public static List<String> extract(String str) {
        String patern = "(?<=\\" + start + ")[^\\" + end + "]+";
        Pattern pattern = Pattern.compile(patern);
        Matcher matcher = pattern.matcher(str);
        List<String> result = new LinkedList<>();
        while (matcher.find()) {
            result.add(matcher.group());
        }
        return result;
    }

    public static List<String> extract2(String str) {
        String patern = "(?<=\\" + start2 + ")[^\\" + end2 + "]+";
        Pattern pattern = Pattern.compile(patern);
        Matcher matcher = pattern.matcher(str);
        List<String> result = new LinkedList<>();
        while (matcher.find()) {
            result.add(matcher.group());
        }
        return result;
    }


    public static List<String> extract2(String str, String start, String end) {
        String patern = "(?<=" + start + ")[^" + end + "]+";
        Pattern pattern = Pattern.compile(patern);
        Matcher matcher = pattern.matcher(str);
        List<String> result = new LinkedList<>();
        while (matcher.find()) {
            result.add(matcher.group());
        }
        return result;
    }

    public static void main(String[] args) {
        String str = "说的过124滤{会计}师对24顾{客}数量124212是{否}";
        String start = "{", end = "}";
        String patern = "(?<=\\" + start + ")[^\\" + end + "]+";
        Pattern pattern = Pattern.compile(patern);
        Matcher matcher = pattern.matcher(str);
        while (matcher.find()) {
            System.out.println(matcher.group());
        }
    }
}

END。