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Jul 28th, 2017
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  1. function sumFromString(str) {
  2. let sum = 0;
  3. let acc = '0';
  4. for (var i = 0; i < str.length; i +=1) {
  5. if (parseInt(str[i])) {
  6. acc += str[i]
  7. if (i === (str.length - 1)) {
  8. sum += parseInt(acc);
  9. }
  10. } else {
  11. sum += parseInt(acc);
  12. acc = '0';
  13. }
  14. }
  15. return sum;
  16. }
  17.  
  18. // sumFromString('a4gnh7j');
  19. // => 11
  20.  
  21. // sumFromString('rgb5ny774bsdfg6');
  22. // => 785
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