[Finishes #52731407] Escape special regex characters from the spec param

src/html/HtmlSpecFilter.js

@@ -1,6 +1,7 @@
 jasmineRequire.HtmlSpecFilter = function() {
   function HtmlSpecFilter(options) {
-    var filterPattern = new RegExp(options && options.filterString());
+    var filterString = options && options.filterString() && options.filterString().replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&");
+    var filterPattern = new RegExp(filterString);
 
     this.matches = function(specName) {
       return filterPattern.test(specName);
@@ -8,4 +9,4 @@ jasmineRequire.HtmlSpecFilter = function() {
   }
 
   return HtmlSpecFilter;
-};
+};