Merge pull request #6 from thesoftwarefanatics/fix-travis-build

Fix travis build

Author: alcaeus

.travis.yml

@@ -1,4 +1,6 @@
 language: php
+dist: trusty
+sudo: false
 
 php:
   - 7.1

src/PHPHtmlParser/Selector.php

@@ -20,7 +20,7 @@ class Selector
      *
      * @var string
      */
-    protected $pattern = "/([\w-:\*>]*)(?:\#([\w-]+)|\.([\w-]+))?(?:\[@?(!?[\w-:]+)(?:([!*^$]?=)[\"']?(.*?)[\"']?)?\])?([\/, ]+)/is";
+    protected $pattern = "/([\w\-:\*>]*)(?:\#([\w\-]+)|\.([\w\-]+))?(?:\[@?(!?[\w\-:]+)(?:([!*^$]?=)[\"']?(.*?)[\"']?)?\])?([\/, ]+)/is";
 
     protected $selectors = [];