From 33d9316eaa60bd09fea9264afb00f531eb8cecc7 Mon Sep 17 00:00:00 2001
From: CyC2018 <1029579233@qq.com>
Date: Tue, 3 Apr 2018 09:55:32 +0800
Subject: [PATCH] auto commit

---
 notes/正则表达式.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/notes/正则表达式.md b/notes/正则表达式.md
index 045aef4d..07f49139 100644
--- a/notes/正则表达式.md
+++ b/notes/正则表达式.md
@@ -19,7 +19,7 @@
 
 正则表达式内置于其它语言或者软件产品中，它本身不是一种语言或者软件。
 
-[正则表达式在线工具](http://tool.chinaz.com/regex)
+[正则表达式在线工具](http://tool.oschina.net/regex/)
 
 # 二、匹配单个字符