diff --git a/Src/Sunra/PhpSimple/simplehtmldom_1_5/simple_html_dom.php b/Src/Sunra/PhpSimple/simplehtmldom_1_5/simple_html_dom.php
index 279d589..deb1499 100644
--- a/Src/Sunra/PhpSimple/simplehtmldom_1_5/simple_html_dom.php
+++ b/Src/Sunra/PhpSimple/simplehtmldom_1_5/simple_html_dom.php
@@ -693,7 +693,7 @@ protected function parse_selector($selector_string) {
 // This implies that an html attribute specifier may start with an @ sign that is NOT captured by the expression.
 // farther study is required to determine of this should be documented or removed.
 //        $pattern = "/([\w-:\*]*)(?:\#([\w-]+)|\.([\w-]+))?(?:\[@?(!?[\w-]+)(?:([!*^$]?=)[\"']?(.*?)[\"']?)?\])?([\/, ]+)/is";
-        $pattern = "/([\w-:\*]*)(?:\#([\w-]+)|\.([\w-]+))?(?:\[@?(!?[\w-:]+)(?:([!*^$]?=)[\"']?(.*?)[\"']?)?\])?([\/, ]+)/is";
+        $pattern = "/([\w\-:\*]*)(?:\#([\w-]+)|\.([\w-]+))?(?:\[@?(!?[\w\-:]+)(?:([!*^$]?=)[\"']?(.*?)[\"']?)?\])?([\/, ]+)/is";
         preg_match_all($pattern, trim($selector_string).' ', $matches, PREG_SET_ORDER);
         if (is_object($debugObject)) {$debugObject->debugLog(2, "Matches Array: ", $matches);}