Подскажите, в чем ошибка?
package com.javarush.task.task19.task1907;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Scanner;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/*
Считаем слово
*/
public class Solution {
public static void main(String[] args) throws IOException{
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));
FileReader reader = new FileReader(bufferedReader.readLine());
StringBuilder stringBuilder = new StringBuilder();
while (reader.ready()){
stringBuilder.append((char) reader.read());
}
String[] split = stringBuilder.toString().split(" ");
Pattern pattern1 = Pattern.compile("^\\s*world\\p{Punct}*$|\\s+world\\p{Punct}*$");
int counter = 0;
for (String word: split) {
Matcher matcher1 = pattern1.matcher(word);
if (matcher1.find()){
counter++;
}
}
System.out.println(counter);
bufferedReader.close();
reader.close();
}
}