diff --git a/framework/assets/yii.validation.js b/framework/assets/yii.validation.js
index 8ed7f61..b663470 100644
--- a/framework/assets/yii.validation.js
+++ b/framework/assets/yii.validation.js
@@ -81,6 +81,16 @@ yii.validation = (function ($) {
 			valid || messages.push(options.message);
 		},
 
+		regularExpression: function (value, messages, options) {
+			if (options.skipOnEmpty && isEmpty(value)) {
+				return;
+			}
+
+			if (!value.match(options.pattern)) {
+				messages.push(options.message)
+			}
+		},
+
 		email: function (value, messages, options) {
 			if (options.skipOnEmpty && isEmpty(value)) {
 				return;
@@ -91,14 +101,18 @@ yii.validation = (function ($) {
 			valid || messages.push(options.message);
 		},
 
-		regularExpression: function (value, messages, options) {
+		url: function (value, messages, options) {
 			if (options.skipOnEmpty && isEmpty(value)) {
 				return;
 			}
 
+			if (options.defaultScheme && !value.match(/:\/\//)) {
+				value = options.defaultScheme + '://' + value;
+			}
+
 			if (!value.match(options.pattern)) {
-				messages.push(options.message)
+				messages.push(options.message);
 			}
-		}
+		},
 	};
 })(jQuery);
diff --git a/framework/validators/FileValidator.php b/framework/validators/FileValidator.php
index b3de0b2..0fddcf5 100644
--- a/framework/validators/FileValidator.php
+++ b/framework/validators/FileValidator.php
@@ -8,7 +8,6 @@
 namespace yii\validators;
 
 use Yii;
-use yii\helpers\FileHelper;
 use yii\web\UploadedFile;
 
 /**
diff --git a/framework/validators/UrlValidator.php b/framework/validators/UrlValidator.php
index cd6bfef..0ed59bd 100644
--- a/framework/validators/UrlValidator.php
+++ b/framework/validators/UrlValidator.php
@@ -8,6 +8,9 @@
 namespace yii\validators;
 
 use Yii;
+use yii\helpers\Html;
+use yii\helpers\JsExpression;
+use yii\helpers\Json;
 
 /**
  * UrlValidator validates that the attribute value is a valid http or https URL.
@@ -100,40 +103,27 @@ class UrlValidator extends Validator
 	 */
 	public function clientValidateAttribute($object, $attribute)
 	{
-		$message = strtr($this->message, array(
-			'{attribute}' => $object->getAttributeLabel($attribute),
-			'{value}' => $object->$attribute,
-		));
-
 		if (strpos($this->pattern, '{schemes}') !== false) {
 			$pattern = str_replace('{schemes}', '(' . implode('|', $this->validSchemes) . ')', $this->pattern);
 		} else {
 			$pattern = $this->pattern;
 		}
 
-		$js = "
-if(!value.match($pattern)) {
-	messages.push(" . json_encode($message) . ");
-}
-";
-		if ($this->defaultScheme !== null) {
-			$js = "
-if(!value.match(/:\\/\\//)) {
-	value=" . json_encode($this->defaultScheme) . "+'://'+value;
-}
-$js
-";
-		}
-
+		$options = array(
+			'pattern' => new JsExpression($pattern),
+			'message' => Html::encode(strtr($this->message, array(
+				'{attribute}' => $object->getAttributeLabel($attribute),
+				'{value}' => $object->$attribute,
+			))),
+		);
 		if ($this->skipOnEmpty) {
-			$js = "
-if($.trim(value)!='') {
-	$js
-}
-";
+			$options['skipOnEmpty'] = 1;
+		}
+		if ($this->defaultScheme !== null) {
+			$options['defaultScheme'] = $this->defaultScheme;
 		}
 
-		return $js;
+		return 'yii.validation.url(value, messages, ' . Json::encode($options) . ');';
 	}
 }