JAVA | 38

拆分

import java.util.Arrays;import java.util.regex.Pattern;public class Main {    public static void main(String[] args) {        String str = "hudr34bjd393493n2432bbj34424j343";        String regex = "\\d+";        Pattern pattern = Pattern.compile(regex); // 编译正则        String strs [] = pattern.split(str); // 拆分        System.out.println(Arrays.toString(strs));    }}

匹配

import java.util.regex.Matcher;import java.util.regex.Pattern;public class Main {    public static void main(String[] args) {        String str = "456789876545678";        String regex = "\\d+";        Pattern pattern = Pattern.compile(regex); // 编译正则        Matcher matcher = pattern.matcher(str);        System.out.println(matcher.matches());    }}