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Create R1C1_COORDINATE_REGEX constant

This commit is contained in:
Nathan Dench 2021-05-13 11:13:05 +10:00 committed by Mark Baker
parent 992108cea7
commit 8e7771cde1
1 changed files with 3 additions and 1 deletions
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4
src/PhpSpreadsheet/Cell/AddressHelper.php
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@ -6,6 +6,8 @@ use PhpOffice\PhpSpreadsheet\Exception;
class AddressHelper
{
public const R1C1_COORDINATE_REGEX = '/(R((?:\[-?\d*\])|(?:\d*))?)(C((?:\[-?\d*\])|(?:\d*))?)/i';
/**
* Converts an R1C1 format cell address to an A1 format cell address.
*/
@ -72,7 +74,7 @@ class AddressHelper
foreach ($temp as &$value) {
// Only replace in alternate array entries (i.e. non-quoted blocks)
if ($key = !$key) {
preg_match_all('/(R((?:\[-?\d*\])|(?:\d*))?)(C((?:\[-?\d*\])|(?:\d*))?)/i', $value, $cellReferences, PREG_SET_ORDER + PREG_OFFSET_CAPTURE);
preg_match_all(self::R1C1_COORDINATE_REGEX, $value, $cellReferences, PREG_SET_ORDER + PREG_OFFSET_CAPTURE);
// Reverse the matches array, otherwise all our offsets will become incorrect if we modify our way
// through the formula from left to right. Reversing means that we work right to left.through
// the formula