diff --git a/src/showdown.js b/src/showdown.js
index 8532dc0..c34695e 100644
--- a/src/showdown.js
+++ b/src/showdown.js
@@ -361,13 +361,13 @@ var _HashHTMLBlocks = function(text) {
 			\b					// word break
 								// attacklab: hack around khtml/pcre bug...
 			[^\r]*?				// any number of lines, minimally matching
-			.*</\2>				// the matching end tag
+			</\2>				// the matching end tag
 			[ \t]*				// trailing spaces/tabs
 			(?=\n+)				// followed by a newline
 		)						// attacklab: there are sentinel newlines at end of document
 		/gm,function(){...}};
 	*/
-	text = text.replace(/^(<(p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|script|noscript|form|fieldset|iframe|math|style|section|header|footer|nav|article|aside)\b[^\r]*?.*<\/\2>[ \t]*(?=\n+)\n)/gm,hashElement);
+	text = text.replace(/^(<(p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|script|noscript|form|fieldset|iframe|math|style|section|header|footer|nav|article|aside)\b[^\r]*?<\/\2>[ \t]*(?=\n+)\n)/gm,hashElement);
 
 	// Special case just for <hr />. It was easier to make a special case than
 	// to make the other regex more complicated.
diff --git a/test/cases/html5-strutural-tags.html b/test/cases/html5-strutural-tags.html
index b89207b..5dc9316 100644
--- a/test/cases/html5-strutural-tags.html
+++ b/test/cases/html5-strutural-tags.html
@@ -9,8 +9,11 @@
 
 <nav>navigation</nav>
 
-<article>read me</article>
+<article>read
+me</article>
 
-<aside>ignore me</aside>
+<aside>
+ignore me
+</aside>
 
 <p>the end</p>
\ No newline at end of file
diff --git a/test/cases/html5-strutural-tags.md b/test/cases/html5-strutural-tags.md
index 15a9fbe..640c018 100644
--- a/test/cases/html5-strutural-tags.md
+++ b/test/cases/html5-strutural-tags.md
@@ -5,7 +5,10 @@ These HTML5 tags should pass through just fine.
 <header>head</header>
 <footer>footsies</footer>
 <nav>navigation</nav>
-<article>read me</article>
-<aside>ignore me</aside>
+<article>read
+me</article>
+<aside>
+ignore me
+</aside>
 
 the end
\ No newline at end of file