diff --git a/content-az.php b/content-az.php
index b9437d1..62a82f7 100644
--- a/content-az.php
+++ b/content-az.php
@@ -4,6 +4,9 @@
  *
  * @package cornerstone
  */
+
+$exclude = get_post_meta(get_the_ID(), 'exclude', 'true');
+$pattern = '#[A-Za-z|~`!@\#$%^&*()_+=|\\}\][{\'/;\-":?>.<]#';
 ?>
 
 
@@ -50,24 +53,28 @@
 									echo '</nav>';
 									
 									// Generate AZ List
-									$pages = get_pages(array('sort_order' => 'asc', 'sort_column' => 'post_title', 'hierarchical' => false));
-									$letters = array();
-									echo '<section class="letter-directory">';
-									foreach( (array) $pages as $pg ){
-										$title = ucwords($pg->post_title);
-										$char = $title{0};
-										if( !( is_numeric($char) || empty($char) ) ){
-											if( $char != end($letters) && !empty($letters) ){
-												echo '</ol></div>';						  
-											}				
-											if( !in_array($char, $letters) ){
-												echo '<div class="az-letter"><a name="'.$char.'-pages" class="az-anchor"></a><h2 id="'.$char.'-pages az-letter-title"><span class="az-letter">'.$char.'</span></h2><ol class="az-letter-list">';
-												array_push($letters, $char);
+									$pages = get_pages(array('sort_order' => 'asc', 'sort_column' => 'post_title', 'hierarchical' => false, 'exclude' => $exclude));
+									if( !preg_match($pattern, $exclude, $matches) ){
+										$letters = array();
+										echo '<section class="letter-directory">';
+										foreach( (array) $pages as $pg ){
+											$title = ucwords($pg->post_title);
+											$char = $title{0};
+											if( !( is_numeric($char) || empty($char) ) ){
+												if( $char != end($letters) && !empty($letters) ){
+													echo '</ol></div>';						  
+												}				
+												if( !in_array($char, $letters) ){
+													echo '<div class="az-letter"><a name="'.$char.'-pages" class="az-anchor"></a><h2 id="'.$char.'-pages az-letter-title"><span class="az-letter">'.$char.'</span></h2><ol class="az-letter-list">';
+													array_push($letters, $char);
+												}
+												echo '<li><a href="'.get_page_link($pg->ID).'" class="az-letter-page">'.$title.'</a></li>';
 											}
-											echo '<li><a href="'.get_page_link($pg->ID).'" class="az-letter-page">'.$title.'</a></li>';
 										}
+										echo '</ol></div></section>';
+									} else {
+										echo '<p>Invalid input in field: "exclude"</p>';
 									}
-									echo '</ol></div></section>';
 								?>
 							</div>
 						<footer class="entry-footer">