package com.zetcode; import java.io.IOException; import java.nio.file.Files; import java.nio.file.Path; import java.nio.file.Paths; import java.util.List; import java.util.regex.Pattern; public class JavaRegexSplitText { static int sum = 0; public static void main(String[] args) throws IOException { Path myPath = Paths.get("src/resources/data.csv"); List lines = Files.readAllLines(myPath); String regex = ","; Pattern p = Pattern.compile(regex); lines.forEach((line) -> { String[] parts = p.split(line); for (String part : parts) { String val = part.trim(); sum += Integer.parseInt(val); } }); System.out.printf("Sum of values: %d", sum); } }