Adding PregReplace Filter that allows for filtering based on Regexp

Rules/PregReplace.php

@@ -0,0 +1,45 @@
+<?php
+namespace DMS\Filter\Rules;
+
+/**
+ * PregReplace Rule
+ * Replaces based on regular expression, will replace with empty if no
+ * replacement is defined.
+ *
+ * @package DMS
+ * @subpackage Filter
+ *
+ * @Annotation
+ */
+class PregReplace extends Rule
+{
+    /**
+     * Regular Expression to use
+     *
+     * @var string
+     */
+    public $regexp = null;
+
+    /**
+     * Replacement
+     *
+     * @var string
+     */
+    public $replacement = "";
+
+    /**
+     * {@inheritDoc}
+     */
+    public function applyFilter($value)
+    {
+        return preg_replace($this->regexp, $this->replacement, $value);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getDefaultOption()
+    {
+        return 'regexp';
+    }
+}