magento/magento2#6113: Validate range-words in Form component (UI Component)

- Changed range-words validation logic

app/code/Magento/Ui/view/base/web/js/lib/validation/rules.js

@@ -84,8 +84,10 @@ define([
         ],
         'range-words': [
             function (value, params) {
-                return utils.stripHtml(value).match(/\b\w+\b/g).length >= params[0] &&
-                    utils.stripHtml(value).match(/\b\w+\b/g).length < params[1];
+                var match = utils.stripHtml(value).match(/\b\w+\b/g) || [];
+
+                return match.length >= params[0] &&
+                    match.length <= params[1];
             },
             $.mage.__('Please enter between {0} and {1} words.')
         ],