diff --git a/wp-includes/functions-formatting.php b/wp-includes/functions-formatting.php
index 8726f33556..cfb73b1cc6 100644
--- a/wp-includes/functions-formatting.php
+++ b/wp-includes/functions-formatting.php
@@ -18,14 +18,14 @@ function wptexturize($text) {
 			$cockneyreplace = array("’tain’t","’twere","’twas","’tis","’twill","’til","’bout","’nuff","’round");
 			$curl = str_replace($cockney, $cockneyreplace, $curl);
 
-			$curl = preg_replace("/'s/", "’s", $curl);
+			$curl = preg_replace("/'s/", '’s', $curl);
 			$curl = preg_replace("/'(\d\d(?:’|')?s)/", "’$1", $curl);
 			$curl = preg_replace('/(\s|\A|")\'/', '$1‘', $curl);
-			$curl = preg_replace("/(\d+)\"/", "$1″", $curl);
-			$curl = preg_replace("/(\d+)'/", "$1′", $curl);
+			$curl = preg_replace('/(\d+)"/', '$1″', $curl);
+			$curl = preg_replace("/(\d+)'/", '$1′', $curl);
 			$curl = preg_replace("/(\S)'([^'\s])/", "$1’$2", $curl);
-			$curl = preg_replace('/"([\s.,!?;:&\']|\Z)/', '”$1', $curl);
-            $curl = preg_replace('/(\s|\A)"/', '$1“', $curl);
+			$curl = preg_replace('/(\s|\A)"(?!\s)/', '$1“$2', $curl);
+			$curl = preg_replace('/"(\s|\Z)/', '”$1', $curl);
 			$curl = preg_replace("/'([\s.]|\Z)/", '’$1', $curl);
 			$curl = preg_replace("/\(tm\)/i", '™', $curl);
 			$curl = preg_replace("/\(c\)/i", '©', $curl);