Improve inline tags regexp

Fixes #265

changelog.yml

@@ -6,6 +6,7 @@
   bugs:
     - text: "Dark Theme: Render checkboxes in a lighter color"
     - text: "Fix Relative Parent links not working - #256"
+    - test: "Improve inline tags regex - #265"
 
 - version: "1.70"
   date: 2020-09-16

lib/core/processors/inline_tags.dart

@@ -15,7 +15,7 @@ class InlineTagsProcessor {
         p = '\\+';
       }
 
-      var regexp = RegExp(r'(^|\s)' + p + r'([^ ]+)(\s|$)');
+      var regexp = RegExp(r'(^|\s)' + p + r'([^\s]+)(\s|$)');
       var matches = regexp.allMatches(text);
       for (var match in matches) {
         var tag = match.group(2);

test/processors/inline_tags_test.dart

@@ -136,4 +136,17 @@ Enjoy!
 
     expect(tags, {'hello'});
   });
+
+  test("Handles Spaces", () {
+    var body = """# DateTimeOffset
+#csharp
+
+Provides a combined #structure\tof `DateTime` with an `Offset` property defining a deviation from UTC. It doesn't associate a time zone with the offset.
+""";
+
+    var p = InlineTagsProcessor(tagPrefixes: {'#', '+', '@'});
+    var tags = p.extractTags(body);
+
+    expect(tags, {'csharp', 'structure'});
+  });
 }