Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Main {

    public static String numberCheck(String num) {
        if (num == null || num.length() == 0) {
            return "";
        }
        Pattern pattern = Pattern.compile("(?<!\\d)(?:(?:1[34578]\\d{9})|(?:861[34578]\\d{9}))(?!\\d)");
        Matcher matcher = pattern.matcher(num);
        StringBuffer bf = new StringBuffer(64);
        while (matcher.find()) {
            bf.append(matcher.group()).append(",");
        }
        int len = bf.length();
        if (len > 0) {
            bf.deleteCharAt(len - 1);
        }
        return bf.toString();
    }
}