extractNumber static method
extract number from string; abc123456789xyz to ۱۲۳۴۵۶۷۸۹ Or ابپ۱۲۳۴۵۶۷۸۹ن to 123456789
Implementation
static String extractNumber(String inputString, NumStrLanguage toDigit) {
String number = "";
inputString = changeDigit(inputString, NumStrLanguage.English);
number = inputString.replaceAll(RegExp(r'[^0-9]'), ''); // '23'
return changeDigit(number, toDigit);
}