extractNumber method
extract number from string; abc123456789xyz to ۱۲۳۴۵۶۷۸۹ Or ابپ۱۲۳۴۵۶۷۸۹ن to 123456789
Implementation
String extractNumber({NumStrLanguage toDigit = NumStrLanguage.Farsi}) {
return NumberUtility.extractNumber(this, toDigit);
}