Some refactoring of stringCalculator.add() method by consolidating delimiter and raw number extraction into one method. Custom delimiter logic is still hard-coded, not generalized.
Some refactoring of stringCalculator.add() method by consolidating delimiter and raw number extraction into one method. Custom delimiter logic is still hard-coded, not generalized.

mariojvargas/angularjs-stringcalc,mariojvargas/angularjs-stringcalc