regex_ex.dart

regex_ex.dart

void main() {
  
//на вход идет: +996-552-44-23-88
//на выходе: 996552442388

  	var phoneNumber = "+996-552-44-23-88";
		phoneNumber.replaceAll(new RegExp(r"\d+"), "");
  	print(phoneNumber);
  
  
  
  
		print("test test1 test2".replaceAll(RegExp(r"\s+\b|\b\s"), ""));



		phoneNumber = phoneNumber.replaceAll('+', '').replaceAll('-', '');
		print(phoneNumber);	



		var r = RegExp(r'\d+');
		var phone__ = "+996-552-44-23-88";
		final s = r.allMatches(phone__).map((match) => match[0]).join();
  	print(s);	
  
}