Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Main {
    public static void main(String args[]) {
        // match a single digit
        Pattern p = Pattern.compile("\\d");
        Matcher matcher = p.matcher("5");
        boolean isOk = matcher.matches();
        System.out.println("original pattern matches " + isOk);

        // recycle the pattern
        String tmp = p.pattern();
        Pattern p2 = Pattern.compile(tmp);
        matcher = p.matcher("5");
        isOk = matcher.matches();
        System.out.println("second pattern matches " + isOk);
    }
}