isCurrency static method
Checks if string is Currency.
Implementation
static bool isCurrency(String s) => hasMatch(s,
r'^(S?\$|\₩|Rp|\¥|\€|\₹|\₽|fr|R\$|R)?[ ]?[-]?([0-9]{1,3}[,.]([0-9]{3}[,.])*[0-9]{3}|[0-9]+)([,.][0-9]{1,2})?( ?(USD?|AUD|NZD|CAD|CHF|GBP|CNY|EUR|JPY|IDR|MXN|NOK|KRW|TRY|INR|RUB|BRL|ZAR|SGD|MYR))?$');