fix: condition to incorporate * in regEx to match step-syntax

lib/src/gherkin/syntax/regex_matched_syntax.dart

@@ -12,5 +12,5 @@ abstract class RegExMatchedGherkinSyntax<TRunnable extends Runnable>
       pattern(dialect).hasMatch(line);
 
   static String getMultiDialectRegexPattern(Iterable<String> dialectVariants) =>
-      dialectVariants.map((s) => s.trim()).where((s) => s != '*').join('|');
+      dialectVariants.map((s) => s.trim().replaceAll('*', '\\*')).join('|');
 }

test/gherkin/parser_test.dart

@@ -483,5 +483,62 @@ void main() {
       expect(feature.scenarios.elementAt(1).tags.length, 1);
       expect(feature.scenarios.elementAt(1).tags.first.tags.first, '@skip');
     });
+
+    test('parses steps with asterisk(*)', () async {
+      final parser = GherkinParser();
+      final featureContents = '''
+      Feature: Asterisk example
+        Scenario: All done
+          Given I am out shopping
+          And I have eggs
+          And I have milk
+          And I have butter
+          When I check my list
+          Then I don't need anything
+
+        Scenario: All done more elegantly
+          Given I am out shopping
+          * I have eggs
+          * I have milk
+          * I have butter
+          When I check my list
+          Then I don't need anything
+      ''';
+      final featureFile = await parser.parseFeatureFile(
+        featureContents,
+        '',
+        ReporterMock(),
+        LanguageServiceMock(),
+      );
+      expect(featureFile, isNot(null));
+      expect(featureFile.language, equals('en'));
+      expect(featureFile.features.length, 1);
+
+      final feature = featureFile.features.elementAt(0);
+      expect(feature.name, 'Asterisk example');
+      expect(feature.scenarios.length, 2);
+
+      final scenario = featureFile.features.elementAt(0).scenarios.elementAt(0);
+      expect(scenario.name, 'All done');
+
+      final steps = scenario.steps;
+      expect(steps.elementAt(0).name, 'Given I am out shopping');
+      expect(steps.elementAt(1).name, 'And I have eggs');
+      expect(steps.elementAt(2).name, 'And I have milk');
+      expect(steps.elementAt(3).name, 'And I have butter');
+      expect(steps.elementAt(4).name, 'When I check my list');
+      expect(steps.elementAt(5).name, 'Then I don\'t need anything');
+
+      final scenario2 =
+          featureFile.features.elementAt(0).scenarios.elementAt(1);
+      expect(scenario2.name, 'All done more elegantly');
+
+      expect(scenario2.steps.elementAt(0).name, 'Given I am out shopping');
+      expect(scenario2.steps.elementAt(1).name, '* I have eggs');
+      expect(scenario2.steps.elementAt(2).name, '* I have milk');
+      expect(scenario2.steps.elementAt(3).name, '* I have butter');
+      expect(scenario2.steps.elementAt(4).name, 'When I check my list');
+      expect(scenario2.steps.elementAt(5).name, 'Then I don\'t need anything');
+    });
   });
 }

test/gherkin/syntax/step_syntax_test.dart

@@ -90,6 +90,16 @@ void main() {
           true);
     });
 
+    test('matches * correctly', () {
+      final syntax = StepSyntax();
+      expect(
+          syntax.isMatch(
+            '* something',
+            EnDialectMock(),
+          ),
+          true);
+    });
+
     test('matches but correctly', () {
       final syntax = StepSyntax();
       expect(

test/mocks/en_dialect_mock.dart

@@ -10,11 +10,11 @@ class EnDialectMock extends GherkinDialect {
     scenario = ['Scenario'];
     scenarioOutline = ['Scenario Outline'];
     examples = ['Scenarios', 'Examples'];
-    given = ['Given'];
-    when = ['When'];
-    then = ['Then'];
-    and = ['And'];
-    but = ['But'];
+    given = ['Given', '*'];
+    when = ['When', '*'];
+    then = ['Then', '*'];
+    and = ['And', '*'];
+    but = ['But', '*'];
 
     stepKeywords = (<String>[
       ...given,