Java正则表达式测试源码，java正则表达式源码,package java

Java正则表达式测试源码，java正则表达式源码,package java

package javase1.day01;import java.util.Scanner;import java.util.regex.Matcher;import java.util.regex.Pattern;public class RegexTestHarnessV5 {    public static void main(String[] args) {        Scanner scanner = new Scanner(System.in);        while (true) {            System.out.printf("%nEnter your regex: ");            Pattern pattern = Pattern.compile(scanner.nextLine());            System.out.printf("Enter input string to search: ");            Matcher matcher = pattern.matcher(scanner.nextLine());            boolean found = false;                      while (matcher.find()) {                System.out.printf("Found \\"%s\\" starting index %d ending index %d.%n",                        matcher.group(), matcher.start(), matcher.end());                found = true;            }            if (!found) {                System.out.printf("No match found.%n");            }                   }    }}//该片段来自于http://byrx.net