diff --git a/modules/comment/comment.item.php b/modules/comment/comment.item.php
index 00237d50a..d08369569 100644
--- a/modules/comment/comment.item.php
+++ b/modules/comment/comment.item.php
@@ -422,11 +422,8 @@ class commentItem extends Object
 		// Convert temporarily html entity for truncate
 		$content = html_entity_decode($content, ENT_QUOTES);
 		
-		// Replace unicode whitespace characters (no-break space)
-		$content = utf8_normalize_spaces($content);
-		
 		// Replace all whitespaces to single space
-		$content = trim(preg_replace('/\s+/', ' ',  $content));
+		$content = utf8_trim(utf8_normalize_spaces($content));
 		
 		// Truncate string
 		$content = cut_str($content, $str_size, $tail);
diff --git a/modules/document/document.item.php b/modules/document/document.item.php
index 4a3ced603..466b203d1 100644
--- a/modules/document/document.item.php
+++ b/modules/document/document.item.php
@@ -639,11 +639,8 @@ class documentItem extends Object
 		// Convert temporarily html entity for truncate
 		$content = html_entity_decode($content, ENT_QUOTES);
 		
-		// Replace unicode whitespace characters (no-break space)
-		$content = utf8_normalize_spaces($content);
-		
 		// Replace all whitespaces to single space
-		$content = trim(preg_replace('/\s+/', ' ',  $content));
+		$content = utf8_trim(utf8_normalize_spaces($content));
 		
 		// Truncate string
 		$content = cut_str($content, $str_size, $tail);
diff --git a/widgets/content/content.class.php b/widgets/content/content.class.php
index ddd3e0c73..5687df931 100644
--- a/widgets/content/content.class.php
+++ b/widgets/content/content.class.php
@@ -453,11 +453,8 @@ class content extends WidgetHandler
 		// Convert temporarily html entity for truncate
 		$content = html_entity_decode($content, ENT_QUOTES);
 		
-		// Replace unicode whitespace characters (no-break space)
-		$content = utf8_normalize_spaces($content);
-		
 		// Replace all whitespaces to single space
-		$content = trim(preg_replace('/\s+/', ' ',  $content));
+		$content = utf8_trim(utf8_normalize_spaces($content));
 		
 		// Truncate string
 		$content = cut_str($content, $str_size, '...');
diff --git a/widgets/mcontent/mcontent.class.php b/widgets/mcontent/mcontent.class.php
index 07cefa416..bdbd6117c 100644
--- a/widgets/mcontent/mcontent.class.php
+++ b/widgets/mcontent/mcontent.class.php
@@ -385,19 +385,15 @@ class mcontent extends WidgetHandler
 		// Convert temporarily html entity for truncate
 		$content = html_entity_decode($content, ENT_QUOTES);
 		
-		// Replace unicode whitespace characters (no-break space)
-		$content = utf8_normalize_spaces($content);
-		
 		// Replace all whitespaces to single space
-		$content = trim(preg_replace('/\s+/', ' ',  $content));
+		$content = utf8_trim(utf8_normalize_spaces($content));
 		
 		// Truncate string
 		$content = cut_str($content, $str_size, '...');
 		
 		return escape($content);
 	}
-
-
+	
 	/**
 	 * @brief function to receive contents from rss url
 	 * For Tistory blog in Korea, the original RSS url has location header without contents. Fixed to work as same as rss_reader widget.