Bugfix: (IndrekHaav) Work Item GH-212 - Fix for formulae that referen…

…ce a sheet whose name begins with a digit:

these were erroneously identified as numeric values, causing the parser to throw an undefined variable error.

Classes/PHPExcel/Calculation.php

@@ -2738,10 +2738,10 @@ private function _parseFormula($formula, PHPExcel_Cell $pCell = NULL) {
 		$pCellParent = ($pCell !== NULL) ? $pCell->getWorksheet() : NULL;
 
 		$regexpMatchString = '/^('.self::CALCULATION_REGEXP_FUNCTION.
+							   '|'.self::CALCULATION_REGEXP_CELLREF.
 							   '|'.self::CALCULATION_REGEXP_NUMBER.
 							   '|'.self::CALCULATION_REGEXP_STRING.
 							   '|'.self::CALCULATION_REGEXP_OPENBRACE.
-							   '|'.self::CALCULATION_REGEXP_CELLREF.
 							   '|'.self::CALCULATION_REGEXP_NAMEDRANGE.
 							   '|'.self::CALCULATION_REGEXP_ERROR.
 							 ')/si';

changelog.txt

@@ -34,6 +34,8 @@ Fixed in develop branch for release v1.8.0:
 - Bugfix:   (RomanSyroeshko)  Work Item GH-267  - CHOOSE() returns "#VALUE!" if the 1st entry is chosen
 - Bugfix:   (Gemorroj)        Work Item GH-268  - When duplicating styles, styles shifted by one column to the right
                                                   Fix also applied to duplicating conditional styles
+- Bugfix:   (IndrekHaav)      Work Item GH-212  - Fix for formulae that reference a sheet whose name begins with a digit:
+                                                  these were erroneously identified as numeric values, causing the parser to throw an undefined variable error.
 - Feature:  (amerov)                            - Implementation of the Excel HLOOKUP() function
 - Feature:  (MBaker)                            - Added "Quote Prefix" to style settings (Excel2007 Reader and Writer only)
 - Feature:  (MBaker)                            - Added Horizontal FILL alignment for Excel5 and Excel2007 Readers/Writers, and Horizontal DISTRIBUTED alignment for Excel2007 Reader/Writer