diff --git a/framework/validators/IntegerValidator.php b/framework/validators/IntegerValidator.php
new file mode 100644
index 0000000..fcf33c1
--- /dev/null
+++ b/framework/validators/IntegerValidator.php
@@ -0,0 +1,52 @@
+<?php
+/**
+ * IntegerValidator class file.
+ *
+ * @link http://www.yiiframework.com/
+ * @copyright Copyright &copy; 2008-2012 Yii Software LLC
+ * @license http://www.yiiframework.com/license/
+ */
+
+namespace yii\validators;
+
+/**
+ * IntegerValidator validates that the attribute value is an integer.
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @since 2.0
+ */
+class IntegerValidator extends NumberValidator
+{
+	/**
+	 * @var string the regular expression for matching integers.
+	 */
+	public $pattern = '/^\s*[+-]?\d+\s*$/';
+
+	/**
+	 * Validates the attribute of the object.
+	 * If there is any error, the error message is added to the object.
+	 * @param \yii\base\Model $object the object being validated
+	 * @param string $attribute the attribute being validated
+	 */
+	public function validateAttribute($object, $attribute)
+	{
+		if ($this->message === null) {
+			$this->message = Yii::t('yii', '{attribute} must be an integer.');
+		}
+		parent::validateAttribute($object, $attribute);
+	}
+
+	/**
+	 * Returns the JavaScript needed for performing client-side validation.
+	 * @param \yii\base\Model $object the data object being validated
+	 * @param string $attribute the name of the attribute to be validated.
+	 * @return string the client-side validation script.
+	 */
+	public function clientValidateAttribute($object, $attribute)
+	{
+		if ($this->message === null) {
+			$this->message = Yii::t('yii', '{attribute} must be an integer.');
+		}
+		return parent::clientValidateAttribute($object, $attribute);
+	}
+}
diff --git a/framework/validators/NumberValidator.php b/framework/validators/NumberValidator.php
index 487e802..25e5434 100644
--- a/framework/validators/NumberValidator.php
+++ b/framework/validators/NumberValidator.php
@@ -12,16 +12,16 @@ namespace yii\validators;
 /**
  * NumberValidator validates that the attribute value is a number.
  *
+ * The format of the number must match the regular expression specified in [[pattern]].
+ * Optionally, you may configure the [[max]] and [[min]] properties to ensure the number
+ * is within certain range.
+ *
  * @author Qiang Xue <qiang.xue@gmail.com>
  * @since 2.0
  */
 class NumberValidator extends Validator
 {
 	/**
-	 * @var boolean whether the attribute value can only be an integer. Defaults to false.
-	 */
-	public $integerOnly = false;
-	/**
 	 * @var boolean whether the attribute value can be null or empty. Defaults to true,
 	 * meaning that if the attribute is empty, it is considered valid.
 	 */
@@ -43,13 +43,10 @@ class NumberValidator extends Validator
 	 */
 	public $tooSmall;
 	/**
-	 * @var string the regular expression for matching integers.
+	 * @var string the regular expression for matching numbers. It defaults to a pattern
+	 * that matches floating numbers with optional exponential part (e.g. -1.23e-10).
 	 */
-	public $integerPattern = '/^\s*[+-]?\d+\s*$/';
-	/**
-	 * @var string the regular expression for matching numbers.
-	 */
-	public $numberPattern = '/^\s*[-+]?[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)?\s*$/';
+	public $pattern = '/^\s*[-+]?[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)?\s*$/';
 
 
 	/**
@@ -64,17 +61,9 @@ class NumberValidator extends Validator
 		if ($this->allowEmpty && $this->isEmpty($value)) {
 			return;
 		}
-		if ($this->integerOnly) {
-			if (!preg_match($this->integerPattern, "$value")) {
-				$message = $this->message !== null ? $this->message : Yii::t('yii', '{attribute} must be an integer.');
-				$this->addError($object, $attribute, $message);
-			}
-		}
-		else {
-			if (!preg_match($this->numberPattern, "$value")) {
-				$message = $this->message !== null ? $this->message : Yii::t('yii', '{attribute} must be a number.');
-				$this->addError($object, $attribute, $message);
-			}
+		if (!preg_match($this->pattern, "$value")) {
+			$message = $this->message !== null ? $this->message : Yii::t('yii', '{attribute} must be a number.');
+			$this->addError($object, $attribute, $message);
 		}
 		if ($this->min !== null && $value < $this->min) {
 			$message = $this->tooSmall !== null ? $this->tooSmall : Yii::t('yii', '{attribute} is too small (minimum is {min}).');
@@ -98,7 +87,7 @@ class NumberValidator extends Validator
 		$value = $object->$attribute;
 
 		if (($message = $this->message) === null) {
-			$message = $this->integerOnly ? Yii::t('yii', '{attribute} must be an integer.') : Yii::t('yii', '{attribute} must be a number.');
+			$message = Yii::t('yii', '{attribute} must be a number.');
 		}
 		$message = strtr($message, array(
 			'{attribute}' => $label,
@@ -123,9 +112,8 @@ class NumberValidator extends Validator
 			'{min}' => $this->min,
 		));
 
-		$pattern = $this->integerOnly ? $this->integerPattern : $this->numberPattern;
 		$js = "
-if(!value.match($pattern)) {
+if(!value.match({$this->pattern})) {
 	messages.push(" . json_encode($message) . ");
 }
 ";
diff --git a/framework/validators/Validator.php b/framework/validators/Validator.php
index 1fd3ed5..5a782d3 100644
--- a/framework/validators/Validator.php
+++ b/framework/validators/Validator.php
@@ -66,10 +66,7 @@ abstract class Validator extends \yii\base\Component
 		'in' => '\yii\validators\RangeValidator',
 		'boolean' => '\yii\validators\BooleanValidator',
 		'string' => '\yii\validators\StringValidator',
-		'integer' => array(
-			'class'	=> '\yii\validators\NumberValidator',
-			'integerOnly' => true,
-		),
+		'integer' => '\yii\validators\IntegerValidator',
 		'double' => '\yii\validators\NumberValidator',
 		'compare' => '\yii\validators\CompareValidator',
 
@@ -166,10 +163,10 @@ abstract class Validator extends \yii\base\Component
 				'attributes' => $attributes,
 			);
 		}
-		$validator = \Yii::createComponent($config);
 		foreach ($params as $name => $value) {
-			$validator->$name = $value;
+			$config[$name] = $value;
 		}
+		$validator = \Yii::createComponent($config);
 
 		return $validator;
 	}
diff --git a/todo.txt b/todo.txt
index a4aa0c9..f9c5ddc 100644
--- a/todo.txt
+++ b/todo.txt
@@ -1,2 +1,3 @@
 - CompareValidator::clientValidateAttribute(): search for "CHtml::activeId"
-- FileValidator, UniqueValidator, ExistValidator, DateValidator: TBD
\ No newline at end of file
+- FileValidator, UniqueValidator, ExistValidator, DateValidator: TBD
+- Can consider merging UniqueValidator and ExistValidator and using a NOT property.
\ No newline at end of file