Escape chars for the simple_html_dom to work again

.gitignore

@@ -0,0 +1 @@
+/.idea

src/DetectCMS/Thirdparty/simple_html_dom.php

@@ -680,7 +680,7 @@ 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);}
 
@@ -808,11 +808,11 @@ function convert_text($text)
     }
 
     /**
-    * Returns true if $string is valid UTF-8 and false otherwise.
-    *
-    * @param mixed $str String to be tested
-    * @return boolean
-    */
+     * Returns true if $string is valid UTF-8 and false otherwise.
+     *
+     * @param mixed $str String to be tested
+     * @return boolean
+     */
     static function is_utf8($str)
     {
         $c=0; $b=0;
@@ -888,7 +888,7 @@ function get_display_size()
             $attributes = array();
             preg_match_all("/([\w-]+)\s*:\s*([^;]+)\s*;?/", $this->attr['style'], $matches, PREG_SET_ORDER);
             foreach ($matches as $match) {
-              $attributes[$match[1]] = $match[2];
+                $attributes[$match[1]] = $match[2];
             }
 
             // If there is a width in the style attributes:
@@ -934,7 +934,7 @@ function get_display_size()
         // If the class or id is specified in a SEPARATE css file thats not on the page, go get it and do what we were just doing for the ones on the page.
 
         $result = array('height' => $height,
-                        'width' => $width);
+            'width' => $width);
         return $result;
     }
 
@@ -1009,7 +1009,7 @@ class simple_html_dom
         'p'=>array('p'=>1),
         'nobr'=>array('nobr'=>1),
         'b'=>array('b'=>1),
-		'option'=>array('option'=>1),
+        'option'=>array('option'=>1),
     );
 
     function __construct($str=null, $lowercase=true, $forceTagsClosed=true, $target_charset=DEFAULT_TARGET_CHARSET, $stripRN=true, $defaultBRText=DEFAULT_BR_TEXT, $defaultSpanText=DEFAULT_SPAN_TEXT)
@@ -1361,7 +1361,7 @@ protected function read_tag()
             return true;
         }
 
-        if (!preg_match("/^[\w-:]+$/", $tag)) {
+        if (!preg_match("/^[\w\-:]+$/", $tag)) {
             $node->_[HDOM_INFO_TEXT] = '<' . $tag . $this->copy_until('<>');
             if ($this->char==='<') {
                 $this->link_nodes($node, false);