//张三dwesdf3234李四fdfsdfef王五 //需求：将dwesdf3234和fdfsdfef替换成love

package regexdemo;import java.util.regex.Pattern;
import java.util.regex.Matcher;public class Regex6 {public static void main(String[] args) {////张三dwesdf3234李四fdfsdfef王五////需求：将dwesdf3234和fdfsdfef替换成love//需求：将字符串中名字分割String str="张三dwesdf3234李四fdfsdfef王五";//定义正则表达式String regex1="[\\w&&[^_]]+";//需求1；//replaceAll:按照正则表达式进行替换String s1 = str.replaceAll(regex1, "love");System.out.println(s1);//需求2：//spilt：按照正则表达式进行切割String[] arr = str.split(regex1);for (int i = 0; i < arr.length; i++) {System.out.println(arr[i]);}/*System.out.println(s1);//获取正则表达式对象Pattern p = Pattern.compile(regex1);//获取文本匹配器对象Matcher m = p.matcher(str);while(m.find()){String s = m.group();System.out.println(s);*/}}