dart regex to get username and hashtag like twitter

regex.dart

void main() {
  RegExp exp = new RegExp(r"([#,@][^\s#\@]*)");
  String str = "#😍Parse@my@@#string#string2###eaeae#ça#12351faf";
  Iterable<RegExpMatch> matches = exp.allMatches(str);
  matches.map((x) => x[0]).forEach((m) => print(m));
}

thanks you