diff --git a/controllers/admin/AdminTranslationsController.php b/controllers/admin/AdminTranslationsController.php
index 784f15c59..67950d6fc 100644
--- a/controllers/admin/AdminTranslationsController.php
+++ b/controllers/admin/AdminTranslationsController.php
@@ -1066,7 +1066,7 @@ class AdminTranslationsControllerCore extends AdminController
 		{
 			case 'front':
 					// Parsing file in Front office
-					$regex = '/\{l\s*s=[\'\"]'._PS_TRANS_PATTERN_.'[\'\"](\s*sprintf=.*)?(\s*js=1)?\s*\}/U';
+					$regex = '/\{l\s*s=(?:\''._PS_TRANS_PATTERN_.'\'|\"'._PS_TRANS_PATTERN_.'\")(\s*sprintf=.*)?(\s*js=1)?\s*\}/U';
 				break;
 
 			case 'back':
@@ -1076,7 +1076,7 @@ class AdminTranslationsControllerCore extends AdminController
 					else if ($type_file == 'specific')
 						$regex = '/Translate::getAdminTranslation\(\''._PS_TRANS_PATTERN_.'\'\)/U';
 					else
-						$regex = '/\{l\s*s\s*=[\'\"]'._PS_TRANS_PATTERN_.'[\'\"](\s*sprintf=.*)?(\s*js=1)?(\s*slashes=1)?\s*\}/U';
+						$regex = '/\{l\s*s\s*=(?:\''._PS_TRANS_PATTERN_.'\'|\"'._PS_TRANS_PATTERN_.'\")(\s*sprintf=.*)?(\s*js=1)?(\s*slashes=1)?\s*\}/U';
 				break;
 
 			case 'errors':
@@ -1090,7 +1090,7 @@ class AdminTranslationsControllerCore extends AdminController
 						$regex = '/->l\(\''._PS_TRANS_PATTERN_.'\'(, ?\'(.+)\')?(, ?(.+))?\)/U';
 					else
 						// In tpl file look for something that should contain mod='module_name' according to the documentation
-						$regex = '/\{l\s*s=[\'\"]'._PS_TRANS_PATTERN_.'[\'\"].*\s+mod=\''.$module_name.'\'.*\}/U';
+						$regex = '/\{l\s*s=(?:\''._PS_TRANS_PATTERN_.'\'|\"'._PS_TRANS_PATTERN_.'\").*\s+mod=\''.$module_name.'\'.*\}/U';
 				break;
 
 			case 'pdf':
@@ -1098,7 +1098,7 @@ class AdminTranslationsControllerCore extends AdminController
 					if ($type_file == 'php')
 						$regex = '/HTMLTemplate.*::l\(\''._PS_TRANS_PATTERN_.'\'[\)|\,]/U';
 					else
-						$regex = '/\{l\s*s=[\'\"]'._PS_TRANS_PATTERN_.'[\'\"](\s*sprintf=.*)?(\s*js=1)?(\s*pdf=\'true\')?\s*\}/U';
+						$regex = '/\{l\s*s=(?:\''._PS_TRANS_PATTERN_.'\'|\"'._PS_TRANS_PATTERN_.'\")(\s*sprintf=.*)?(\s*js=1)?(\s*pdf=\'true\')?\s*\}/U';
 				break;
 		}