From 12547f4d4c9192369f712a38f77c8263e16d7108 Mon Sep 17 00:00:00 2001
From: Looly <loolly@aliyun.com>
Date: Mon, 12 Jan 2026 16:08:17 +0800
Subject: [PATCH] =?UTF-8?q?`NumberUtil.parseNumber`=E5=A2=9E=E5=8A=A0?=
 =?UTF-8?q?=E6=94=AF=E6=8C=81=E7=A7=91=E5=AD=A6=E8=AE=A1=E6=95=B0=E6=B3=95?=
 =?UTF-8?q?=EF=BC=88pr#4211@Github=EF=BC=89?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 CHANGELOG.md                                      |  3 ++-
 .../main/java/cn/hutool/core/util/NumberUtil.java |  2 +-
 .../java/cn/hutool/core/util/NumberUtilTest.java  | 15 +++++++--------
 3 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 83d92d8211..392ebecbea 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,9 @@
 
 # 🚀Changelog
 -------------------------------------------------------------------------------------------------------------
-# 5.8.44
+# 5.8.44(2026-01-12)
 ### 🐣新特性
+* 【core   】      `NumberUtil.parseNumber`增加支持科学计数法（pr#4211@Github）
 
 ### 🐞Bug修复
 * 【json       】  修复`JSONUtil.wrap`忽略错误问题（issue#4210@Github）
diff --git a/hutool-core/src/main/java/cn/hutool/core/util/NumberUtil.java b/hutool-core/src/main/java/cn/hutool/core/util/NumberUtil.java
index 0ba07f3f74..2a45ad14d6 100755
--- a/hutool-core/src/main/java/cn/hutool/core/util/NumberUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/util/NumberUtil.java
@@ -2785,7 +2785,7 @@ public class NumberUtil {
 
 		// issue#IDJ1NS@Gitee 处理科学计数法E+格式
 		// NumberFormat对E+格式支持不佳,使用BigDecimal直接解析
-		if (numberStr.contains("E") || numberStr.contains("e")) {
+		if (StrUtil.containsIgnoreCase(numberStr, "e")) {
 			try {
 				return new BigDecimal(numberStr);
 			} catch (NumberFormatException e) {
diff --git a/hutool-core/src/test/java/cn/hutool/core/util/NumberUtilTest.java b/hutool-core/src/test/java/cn/hutool/core/util/NumberUtilTest.java
index 49ea24aaef..2173d1b908 100644
--- a/hutool-core/src/test/java/cn/hutool/core/util/NumberUtilTest.java
+++ b/hutool-core/src/test/java/cn/hutool/core/util/NumberUtilTest.java
@@ -389,14 +389,13 @@ public class NumberUtilTest {
 	}
 
 	@Test
-	public void parseNumberTest5() {
-		String numberstr1 = "8.37095942E+9";
-		Number result1 = NumberUtil.parseNumber(numberstr1);
-		// 转换成BigDecimal再输出完整数字
-		System.out.println(((BigDecimal) result1).toPlainString());
-		String numberstr2 = "8.37095942e+9";
-		Number result2 = NumberUtil.parseNumber(numberstr2);
-		System.out.println(((BigDecimal) result2).toPlainString());
+	void issueIDJ1NSTest(){
+		final String numberstr1 = "8.37095942E+9";
+		final BigDecimal result1 = (BigDecimal) NumberUtil.parseNumber(numberstr1);
+		final String numberstr2 = "8.37095942e+9";
+		final BigDecimal result2 = (BigDecimal) NumberUtil.parseNumber(numberstr2);
+		assertEquals(new BigDecimal("8370959420").toPlainString(), result1.toPlainString());
+		assertEquals(new BigDecimal("8370959420").toPlainString(), result2.toPlainString());
 	}
 
 	@Test