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get current line number dart flutter

By RakshaDRakshaD on Jan 22, 2021
int get lineNumber {
    try {
      final re =
          RegExp(r'^#1[ \t]+.+:(?<line>[0-9]+):[0-9]+\)$', multiLine: true);
      final match = re.firstMatch(StackTrace.current.toString());
      return (match == null) ? -1 : int.parse(match.namedGroup('line'));
    } catch (e) {
      return 0;
  // Usage
  print('Current line No :$lineNumber');

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