diff --git a/framework/src/Maveriks/Util/Common.php b/framework/src/Maveriks/Util/Common.php
index 2ccbd9c28..afe8a6b75 100644
--- a/framework/src/Maveriks/Util/Common.php
+++ b/framework/src/Maveriks/Util/Common.php
@@ -52,58 +52,43 @@ class Common
         }
 
         $files = glob("$path/$singlePattern", $flags);
-        $dirs = glob("$path/*", GLOB_MARK|GLOB_ONLYDIR|GLOB_NOSORT);
+        $dirs = glob("$path/*", GLOB_MARK | GLOB_ONLYDIR | GLOB_NOSORT);
 
-        if(is_array($dirs)){
+        if (is_array($dirs)) {
             foreach ($dirs as $dir) {
                 $files = array_merge($files, self::rglob("$dir/$singlePattern", $flags));
             }
         }
 
         if ($onlyFiles) {
-            $files = array_filter($files, function($v) { return is_dir($v) ? false : true;});
+            $files = array_filter($files, function ($v) {
+                return is_dir($v) ? false : true;
+            });
         }
 
         return $files;
     }
 
     /**
-     * Returns the last version given a pattern of file name
-     *
-     * @param string $pattern a valid pattern for glob(...) native function
-     * @param int $flag php flags for glob(...) native function
-     * @return int|string
-     *
-     * Example:
-     * - Given the following files inside a directory:
-     *       /example/path/myApplication-v1.tar
-     *       /example/path/myApplication-v2.tar
-     *       /example/path/myApplication-v3.tar
-     *       /example/path/myApplication-v5.tar
-     *       /example/path/myApplication-v7.tar
-     *
-     * $lastVer = ProcessMaker\Util\Common::getLastVersion("/example/path/myApplication-*.tar");
-     *
-     * It will returns: 7
+     * This method get the last version of file when exists a special characters
+     * @param $pattern
+     * @param $extension
+     * @param int $flag
+     * @return int
      */
-    public static function getLastVersion($pattern, $flag = 0)
+    public static function getLastVersionSpecialCharacters($dir, $pattern, $extension, $flag = 0)
     {
-        $files = glob($pattern, $flag);
+        $files = glob($dir . quotemeta($pattern) . "-*." . $extension, $flag);
         $maxVersion = 0;
-
-        $pattern = str_replace("*", '([0-9\.]+)', basename($pattern));
-
+        $pattern = preg_quote(basename($pattern)) . '-([0-9\.]+)pmx';
         foreach ($files as $file) {
             $filename = basename($file);
-
-            if (preg_match('/'.$pattern.'/', $filename, $match)) {
-
+            if (preg_match('/' . $pattern . '/', $filename, $match)) {
                 if ($maxVersion < $match[1]) {
                     $maxVersion = $match[1];
                 }
             }
         }
-
         return $maxVersion;
     }
 
@@ -141,8 +126,8 @@ class Common
         }
 
         while ($parent_folder_path = array_pop($folder_path)) {
-            if (! @is_dir($parent_folder_path)) {
-                if (! @mkdir($parent_folder_path, $rights)) {
+            if (!@is_dir($parent_folder_path)) {
+                if (!@mkdir($parent_folder_path, $rights)) {
                     umask($oldumask);
                 }
             }
diff --git a/gulliver/system/class.g.php b/gulliver/system/class.g.php
index adb4cfab9..435eca3e4 100644
--- a/gulliver/system/class.g.php
+++ b/gulliver/system/class.g.php
@@ -3238,20 +3238,34 @@ class G
      * @param (array) additional characteres map
      *
      */
-    public function inflect ($string, $replacement = '_', $map = array())
+    public function inflect($string, $replacement = '_', $map = array())
     {
-        if (is_array( $replacement )) {
+        if (is_array($replacement)) {
             $map = $replacement;
             $replacement = '_';
         }
 
-        $quotedReplacement = preg_quote( $replacement, '/' );
+        $quotedReplacement = preg_quote($replacement, '/');
 
-        $default = array ('/à|á|å|â/' => 'a','/è|é|ê|ẽ|ë/' => 'e','/ì|í|î/' => 'i','/ò|ó|ô|ø/' => 'o','/ù|ú|ů|û/' => 'u','/ç/' => 'c','/ñ/' => 'n','/ä|æ/' => 'ae','/ö/' => 'oe','/ü/' => 'ue','/Ä/' => 'Ae','/Ü/' => 'Ue','/Ö/' => 'Oe','/ß/' => 'ss','/\.|\,|\:|\-|\\|\//' => " ",'/\\s+/' => $replacement
-        );
+        $default = array('/à|á|å|â/' => 'a',
+            '/è|é|ê|ẽ|ë/' => 'e',
+            '/ì|í|î/' => 'i',
+            '/ò|ó|ô|ø/' => 'o',
+            '/ù|ú|ů|û/' => 'u',
+            '/ç/' => 'c',
+            '/ñ/' => 'n',
+            '/ä|æ/' => 'ae',
+            '/ö/' => 'oe',
+            '/ü/' => 'ue',
+            '/Ä/' => 'Ae',
+            '/Ü/' => 'Ue',
+            '/Ö/' => 'Oe',
+            '/ß/' => 'ss',
+            '/[\.|\,|\+|\"|\:|\;|\-|\\|\/]/' => " ",
+            '/\\s+/' => $replacement);
 
-        $map = array_merge( $default, $map );
-        return preg_replace( array_keys( $map ), array_values( $map ), $string );
+        $map = array_merge($default, $map);
+        return preg_replace(array_keys($map), array_values($map), $string);
     }
 
     /**
diff --git a/workflow/engine/methods/processes/processes_Export.php b/workflow/engine/methods/processes/processes_Export.php
index 524bbe49a..99c248bfc 100644
--- a/workflow/engine/methods/processes/processes_Export.php
+++ b/workflow/engine/methods/processes/processes_Export.php
@@ -21,6 +21,7 @@
  * For more information, contact Colosa Inc, 2566 Le Jeune Rd.,
  * Coral Gables, FL, 33134, USA, or email info@colosa.com.
  */
+use  ProcessMaker\Util\Common;
 
 $response = new StdClass();
 $outputDir = PATH_DATA . "sites" . PATH_SEP . SYS_SYS . PATH_SEP . "files" . PATH_SEP . "output" . PATH_SEP;
@@ -42,7 +43,7 @@ try {
             $projectName = $exporter->getProjectName();
             $getProjectName = $exporter->truncateName($projectName, false);
 
-            $version = ProcessMaker\Util\Common::getLastVersion($outputDir . $getProjectName . "-*.pmx") + 1;
+            $version = Common::getLastVersionSpecialCharacters($outputDir, $getProjectName, "pmx") + 1;
             $outputFilename = sprintf("%s-%s.%s", str_replace(" ", "_", $getProjectName), $version, "pmx");
             $outputFilename = $exporter->saveExport($outputDir . $outputFilename);
         /*----------------------------------********---------------------------------*/
diff --git a/workflow/engine/src/ProcessMaker/BusinessModel/Migrator/GranularExporter.php b/workflow/engine/src/ProcessMaker/BusinessModel/Migrator/GranularExporter.php
index 461f17e3d..09b5308f1 100644
--- a/workflow/engine/src/ProcessMaker/BusinessModel/Migrator/GranularExporter.php
+++ b/workflow/engine/src/ProcessMaker/BusinessModel/Migrator/GranularExporter.php
@@ -3,6 +3,7 @@
 namespace ProcessMaker\BusinessModel\Migrator;
 
 use ProcessMaker\Project;
+use ProcessMaker\Util\Common;
 
 class GranularExporter
 {
@@ -64,7 +65,7 @@ class GranularExporter
         $this->prjName = $projectData['PRJ_NAME'];
         $getProjectName = $this->publisher->truncateName($projectData['PRJ_NAME'], false);
         $outputDir = PATH_DATA . "sites" . PATH_SEP . SYS_SYS . PATH_SEP . "files" . PATH_SEP . "output" . PATH_SEP;
-        $version = \ProcessMaker\Util\Common::getLastVersion($outputDir . $getProjectName . "-*.pmx2") + 1;
+        $version = Common::getLastVersionSpecialCharacters($outputDir, $getProjectName, "pmx2") + 1;
         $outputFilename = $outputDir . sprintf("%s-%s.%s", str_replace(" ", "_", $getProjectName), $version, "pmx2");
 
         $bpnmDefinition = array(
diff --git a/workflow/engine/src/ProcessMaker/Importer/Importer.php b/workflow/engine/src/ProcessMaker/Importer/Importer.php
index 1e89f110f..fecb7e164 100644
--- a/workflow/engine/src/ProcessMaker/Importer/Importer.php
+++ b/workflow/engine/src/ProcessMaker/Importer/Importer.php
@@ -6,6 +6,7 @@ use ProcessMaker\Project;
 use ProcessMaker\Project\Adapter;
 use ProcessMaker\BusinessModel\Migrator;
 use ProcessMaker\BusinessModel\Migrator\ImportException;
+use ProcessMaker\Util\Common;
 
 abstract class Importer
 {
@@ -771,7 +772,7 @@ abstract class Importer
             $getProjectName = $exporter->truncateName($exporter->getProjectName(), false);
 
             $outputDir = PATH_DATA . "sites" . PATH_SEP . SYS_SYS . PATH_SEP . "files" . PATH_SEP . "output" . PATH_SEP;
-            $version = \ProcessMaker\Util\Common::getLastVersion($outputDir . $getProjectName . "-*.pmx") + 1;
+            $version = Common::getLastVersionSpecialCharacters($outputDir, $getProjectName, "pmx") + 1;
             $outputFilename = $outputDir . sprintf("%s-%s.%s", str_replace(" ", "_", $getProjectName), $version, "pmx");
 
             $exporter->setMetadata("export_version", $version);
diff --git a/workflow/engine/src/ProcessMaker/Services/Api/Project.php b/workflow/engine/src/ProcessMaker/Services/Api/Project.php
index 0496db5b0..cc38f31a2 100644
--- a/workflow/engine/src/ProcessMaker/Services/Api/Project.php
+++ b/workflow/engine/src/ProcessMaker/Services/Api/Project.php
@@ -10,6 +10,7 @@ use \ProcessMaker\BusinessModel\Validator;
 use \ProcessMaker\BusinessModel\Migrator\GranularExporter;
 use \ProcessMaker\BusinessModel\Migrator\ExportObjects;
 use \ProcessMaker\Util\IO\HttpStream;
+use \ProcessMaker\Util\Common;
 
 /**
  * Class Project
@@ -182,7 +183,7 @@ class Project extends Api
         $getProjectName = $exporter->truncateName($exporter->getProjectName(), false);
 
         $outputDir = PATH_DATA . "sites" . PATH_SEP . SYS_SYS . PATH_SEP . "files" . PATH_SEP . "output" . PATH_SEP;
-        $version = \ProcessMaker\Util\Common::getLastVersion($outputDir . $getProjectName . "-*.pmx") + 1;
+        $version = Common::getLastVersionSpecialCharacters($outputDir, $getProjectName, "pmx") + 1;
         $outputFilename = $outputDir . sprintf("%s-%s.%s", str_replace(" ", "_", $getProjectName), $version, "pmx");
 
         $exporter->setMetadata("export_version", $version);