W3School TIY Editor

import java.util.regex.Matcher; import java.util.regex.Pattern; public class Main { public static void main(String[] args) { Pattern pattern = Pattern.compile("w3school", Pattern.CASE_INSENSITIVE); Matcher matcher = pattern.matcher("访问 W3School!"); boolean matchFound = matcher.find(); if(matchFound) { System.out.println("匹配成功"); } else { System.out.println("匹配失败"); } } }