Properly support fenced code block infostring

Reference: http://spec.commonmark.org/0.28/#info-string
aidanwoods · Aug 20, 2017 · 4404201 · 4404201
1 parent 728952b
commit 4404201
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Showing 3 changed files with 9 additions and 4 deletions.
diff --git a/Parsedown.php b/Parsedown.php
@@ -396,7 +396,7 @@ protected function blockCommentContinue($Line, array $Block)
 
     protected function blockFencedCode($Line)
     {
-        if (preg_match('/^['.$Line['text'][0].']{3,}[ ]*([\w-]+)?[ ]*$/', $Line['text'], $matches))
+        if (preg_match('/^['.$Line['text'][0].']{3,}[ ]*([^`]+)?[ ]*$/', $Line['text'], $matches))
         {
             $Element = array(
                 'name' => 'code',
@@ -515,10 +515,10 @@ protected function blockList($Line)
                 ),
             );
 
-            if($name === 'ol') 
+            if($name === 'ol')
             {
                 $listStart = stristr($matches[0], '.', true);
-                
+
                 if($listStart !== '1')
                 {
                     $Block['element']['attributes'] = array('start' => $listStart);

diff --git a/test/data/fenced_code_block.html b/test/data/fenced_code_block.html
@@ -3,4 +3,5 @@
 $message = 'fenced code block';
 echo $message;</code></pre>
 <pre><code>tilde</code></pre>
-<pre><code class="language-php">echo 'language identifier';</code></pre>
+<pre><code class="language-php">echo 'language identifier';</code></pre>
+<pre><code class="language-c#">echo 'language identifier with non words';</code></pre>
diff --git a/test/data/fenced_code_block.md b/test/data/fenced_code_block.md
@@ -11,4 +11,8 @@ tilde
 
 ```php
 echo 'language identifier';
+```
+
+```c#
+echo 'language identifier with non words';
 ```