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import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class BowlingGameCalculator {
public int score(String playerResult) {
Matcher singleDigit = Pattern.compile("\\d").matcher(playerResult);
int playerScore = 0;
while (singleDigit.find()) {
playerScore += Integer.parseInt(singleDigit.group());
}
return playerScore;
}
}