From cf515598766e19eac5d0317532fe310e63a92653 Mon Sep 17 00:00:00 2001
From: Looly <loolly@gmail.com>
Date: Tue, 16 Nov 2021 00:22:31 +0800
Subject: [PATCH] fix code

---
 .../main/java/cn/hutool/core/text/finder/TextFinder.java    | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/hutool-core/src/main/java/cn/hutool/core/text/finder/TextFinder.java b/hutool-core/src/main/java/cn/hutool/core/text/finder/TextFinder.java
index 5c0088ec9..9b6f3d366 100644
--- a/hutool-core/src/main/java/cn/hutool/core/text/finder/TextFinder.java
+++ b/hutool-core/src/main/java/cn/hutool/core/text/finder/TextFinder.java
@@ -48,9 +48,13 @@ public abstract class TextFinder implements Finder, Serializable {
 	 * @return 有效结束位置
 	 */
 	protected int getValidEndIndex(boolean negative) {
+		if(negative && -1 == endIndex){
+			// 反向查找模式下，-1表示0前面的位置，即字符串反向末尾的位置
+			return -1;
+		}
 		final int limit;
 		if (endIndex < 0) {
-			limit = negative ? -1 : text.length();
+			limit = endIndex + text.length();
 		} else {
 			limit = Math.min(endIndex, text.length());
 		}