package string;

import java.util.regex.Matcher;

import java.util.regex.Pattern;

import static java.lang.Integer.parseInt;

public class Question35 {

public static void main(String[] args) {

String word = "abds323a47b5a";

System.out.println(sumAllNumbersWithoutLambda(word));

System.out.println(sumAllNumbersLambda(word));

String word2 = "abds323a47b5apop";

Matcher matcher = Pattern.compile("(\\d+)|(pop)").matcher(word2);

while (matcher.find()){

System.out.println(matcher.group(0));

}

}

private static int sumAllNumbersWithoutLambda(String word) {

Matcher matcher = Pattern.compile("(\\d+)").matcher(word);

int sum = 0;

while(matcher.find()){

sum += parseInt(matcher.group(0));

}

return sum;

}

private static int sumAllNumbersLambda(String word) {

return Pattern.compile("(\\d+)").matcher(word).results()

.mapToInt(matchResult -> parseInt(matchResult.group(0))).sum();

}

}