FIX #2853 Allow "#" in title

- Only strip the leading # in the title
- Make the finding title logic more straightforward
- Add unit test

Author: zzdjk6

browser/lib/markdownTextHelper.js

@@ -22,7 +22,7 @@ export function strip (input) {
       .replace(/\[(.*?)\][\[\(].*?[\]\)]/g, '$1')
       .replace(/>/g, '')
       .replace(/^\s{1,2}\[(.*?)\]: (\S+)( ".*?")?\s*$/g, '')
-      .replace(/^#{1,6}\s*([^#]*)\s*(#{1,6})?/gm, '$1')
+      .replace(/^#{1,6}\s*/gm, '')
       .replace(/(`{3,})(.*?)\1/gm, '$2')
       .replace(/^-{3,}\s*$/g, '')
       .replace(/`(.+?)`/g, '$1')

browser/main/Detail/MarkdownNoteDetail.js

@@ -100,7 +100,12 @@ class MarkdownNoteDetail extends React.Component {
   handleUpdateContent () {
     const { note } = this.state
     note.content = this.refs.content.value
-    note.title = markdown.strip(striptags(findNoteTitle(note.content, this.props.config.editor.enableFrontMatterTitle, this.props.config.editor.frontMatterTitleField)))
+
+    let title = findNoteTitle(note.content, this.props.config.editor.enableFrontMatterTitle, this.props.config.editor.frontMatterTitleField)
+    title = striptags(title)
+    title = markdown.strip(title)
+    note.title = title
+
     this.updateNote(note)
   }
 

tests/lib/markdown-text-helper-test.js

@@ -36,7 +36,8 @@ test(t => {
     ['`MY_TITLE`', 'MY_TITLE'],
     ['MY_TITLE', 'MY_TITLE'],
     // I have no idea for it...
-    ['```test', '`test']
+    ['```test', '`test'],
+    ['# C# Features', 'C# Features']
   ]
 
   testCases.forEach(testCase => {