From a87fdb9d4c17374fb235eb261e66d70425bc2b1b Mon Sep 17 00:00:00 2001
From: Hubert Bernaciak <hubipl@gmail.com>
Date: Thu, 28 Jul 2022 16:01:31 +0200
Subject: [PATCH] Fixed mantissa (floating point) extraction

This fix extends the handling of exponential notation for numbers like below, which throws an exception "strValue must be a number" before:
100000e-8
1.33E+33
11111111e-7
---
 src/Decimal.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Decimal.php b/src/Decimal.php
index 2a374ae..f9b54f9 100644
--- a/src/Decimal.php
+++ b/src/Decimal.php
@@ -18,7 +18,7 @@ class Decimal
 {
     const DEFAULT_SCALE = 16;
     const CLASSIC_DECIMAL_NUMBER_REGEXP = '/^([+\-]?)0*(([1-9][0-9]*|[0-9])(\.[0-9]+)?)$/';
-    const EXP_NOTATION_NUMBER_REGEXP = '/^ (?P<sign> [+\-]?) 0*(?P<mantissa> [0-9](?P<decimals> \.[0-9]+)?) [eE] (?P<expSign> [+\-]?)(?P<exp> \d+)$/x';
+    const EXP_NOTATION_NUMBER_REGEXP = '/^ (?P<sign> [+\-]?) 0*(?P<mantissa> [0-9]+(?P<decimals> \.[0-9]+)?) [eE] (?P<expSign> [+\-]?)(?P<exp> \d+)$/x';
     const EXP_NUM_GROUPS_NUMBER_REGEXP = '/^ (?P<int> \d*) (?: \. (?P<dec> \d+) ) E (?P<sign>[\+\-]) (?P<exp>\d+) $/x';
 
     /**