正则表达式-匹配关键字

import java.util.regex.*;

public class PatternTest {

static Pattern p = Pattern.compile("([^\"]{5})(关键字)([^\"]{5})"); //设置匹配前后5个字符的关键词句子

public static void main(String[] args) throws Exception {

Matcher m = p.matcher("abcdeft关键字hijklmnopq");

if(m.find()){

System.out.println(m.group());

}

}

}