Fix print area parser for XLSX reader

CHANGELOG.md

@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## [1.5.1] - 
+
+### Fixed
+
+- Fix print area parser for XLSX reader - [#734](https://github.com/PHPOffice/PhpSpreadsheet/pull/734)
+
 ## [1.5.0] - 2018-10-21
 
 ### Added

src/PhpSpreadsheet/Reader/Xlsx.php

@@ -1830,7 +1830,7 @@ public function load($pFilename)
 
                                                 break;
                                             case '_xlnm.Print_Area':
-                                                $rangeSets = preg_split("/'(.*?)'(?:![A-Z0-9]+:[A-Z0-9]+,?)/", $extractedRange, PREG_SPLIT_NO_EMPTY);
+                                                $rangeSets = preg_split("/('?(?:.*?)'?(?:![A-Z0-9]+:[A-Z0-9]+)),?/", $extractedRange, -1, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE);
                                                 $newRangeSets = [];
                                                 foreach ($rangeSets as $rangeSet) {
                                                     list($sheetName, $rangeSet) = Worksheet::extractSheetTitle($rangeSet, true);

tests/PhpSpreadsheetTests/Functional/PrintAreaTest.php

@@ -32,13 +32,18 @@ public function testPageSetup($format)
             $sheet->getPageSetup()->setPrintArea("A$i:B$i");
         }
 
+        $worksheet4 = $spreadsheet->createSheet()->setTitle('Sheet 4');
+        $worksheet4->getPageSetup()->setPrintArea('A4:B4,D1:E4');
+
         $reloadedSpreadsheet = $this->writeAndReload($spreadsheet, $format, function (BaseReader $reader) {
-            $reader->setLoadSheetsOnly(['Sheet 1', 'Sheet 3']);
+            $reader->setLoadSheetsOnly(['Sheet 1', 'Sheet 3', 'Sheet 4']);
         });
 
         $actual1 = $reloadedSpreadsheet->getSheetByName('Sheet 1')->getPageSetup()->getPrintArea();
         $actual3 = $reloadedSpreadsheet->getSheetByName('Sheet 3')->getPageSetup()->getPrintArea();
+        $actual4 = $reloadedSpreadsheet->getSheetByName('Sheet 4')->getPageSetup()->getPrintArea();
         self::assertSame('A1:B1', $actual1, 'should be able to write and read normal page setup');
         self::assertSame('A3:B3', $actual3, 'should be able to write and read page setup even when skipping sheets');
+        self::assertSame('A4:B4,D1:E4', $actual4, 'should be able to write and read page setup with multiple print areas');
     }
 }