Support different wraps, fixed return of function

Author: joester89

src/RegexValidator.php

@@ -1,23 +1,21 @@
 <?php
 
-
 namespace MarketFlow\Yii2\Validators;
 
-
 use \yii\validators\Validator;
 
 class RegexValidator extends Validator
 {
-    public $wrap = false;
+    public $wrap = '';
 
     protected function validateValue($value)
     {
         try {
-            preg_match($this->wrap ? "/$value/" : $value, '');
+            preg_match($this->wrap  . $value . $this->wrap, '');
         } catch (\Exception $e) {
-            return \Yii::t('app', 'Invalid regex for {attribute}');
+            return [\Yii::t('app', 'Invalid regex for {attribute}'),  []];
         }
-    }
 
-
-}
+        return null;
+    }
+}