Change 'wordPattern' to be more yaml specific

Signed-off-by: Yevhen Vydolob <yvydolob@redhat.com>

Author: evidolob

language-configuration.json

@@ -34,5 +34,5 @@
     "increaseIndentPattern": "^\\s*.*(:|-) ?(&\\w+)?(\\{[^}\"']*|\\([^)\"']*)?$",
     "decreaseIndentPattern": "^\\s+\\}$"
   },
-  "wordPattern": "(\"(?:[^\\\\\"]*(?:\\\\.)?)*\"?)|[^\\s{}\\[\\],:]+"
+  "wordPattern": "(^.?[^\\s]+)+|([^\\s\n={[][\\w\\-\\.\/$%&*:\"']+)"
 }