fix(utils/formatters): fix app being bricked on iOS mobile due to unsupported RegEx

[kmeraz]

https://stackoverflow.com/questions/2901102/how-to-print-a-number-with-commas-as-thousands-separators-in-javascript Similarly reported problem if you search for 'safari' in the SO above

https://caniuse.com/js-regexp-lookbehind

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[kmeraz]

@JChiaramonte7 🤞