diff --git a/src/Parser/RegularParser.php b/src/Parser/RegularParser.php
index 8a42422..de40d51 100644
--- a/src/Parser/RegularParser.php
+++ b/src/Parser/RegularParser.php
@@ -123,7 +123,8 @@ private function content(array &$names)
         $appendContent = function(array $token) use(&$content) { $content .= $token[1]; };
 
         while($this->position < $this->tokensCount) {
-            while($this->match(array(self::TOKEN_STRING, self::TOKEN_WS), $appendContent)) {
+            while($this->position < $this->tokensCount && false === $this->lookahead(self::TOKEN_OPEN)) {
+                $this->match(null, $appendContent);
                 continue;
             }
 
diff --git a/tests/ParserTest.php b/tests/ParserTest.php
index b3d1e96..e64d4cc 100644
--- a/tests/ParserTest.php
+++ b/tests/ParserTest.php
@@ -191,6 +191,14 @@ public function provideShortcodes()
                 new ParsedShortcode(new Shortcode('n_am_e', array(), null), '[n_am_e]', 24),
                 new ParsedShortcode(new Shortcode('_n_', array(), null), '[_n_]', 32),
             )),
+            array($s, '[x]/[/x] [x]"[/x] [x]=[/x] [x]][/x] [x] [/x] [x]x[/x]', array(
+                new ParsedShortcode(new Shortcode('x', array(), '/'), '[x]/[/x]', 0),
+                new ParsedShortcode(new Shortcode('x', array(), '"'), '[x]"[/x]', 9),
+                new ParsedShortcode(new Shortcode('x', array(), '='), '[x]=[/x]', 18),
+                new ParsedShortcode(new Shortcode('x', array(), ']'), '[x]][/x]', 27),
+                new ParsedShortcode(new Shortcode('x', array(), ' '), '[x] [/x]', 36),
+                new ParsedShortcode(new Shortcode('x', array(), 'x'), '[x]x[/x]', 45),
+            )),
         );
 
         /**