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 int getFirstNumber(String StringWithNumber) {
        return Integer.parseInt(get("\\d+", StringWithNumber, 0));
    }

    public static String get(String regex, String content, int groupIndex) {
        Matcher matcher = Pattern.compile(regex, Pattern.MULTILINE).matcher(content);
        if (matcher.find()) {
            return matcher.group(groupIndex);
        }
        return null;
    }
}