From 1b89bfd4b779d5f719dccfcb699789d40ddb3ffd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=BB=A3=E5=90=9B?= <sydnash@users.noreply.github.com>
Date: Wed, 7 Dec 2016 18:25:37 +0800
Subject: [PATCH] =?UTF-8?q?.=E5=8F=AA=E8=83=BD=E5=8C=B9=E9=85=8D=E4=BB=BB?=
 =?UTF-8?q?=E6=84=8F=E5=AD=97=E7=AC=A6=E4=B8=80=E6=AC=A1?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

要匹配由数字和字母组成的字符，需要使用"^[a-zA-Z0-9]+$"，"^[a-zA-Z0-9]+."只能匹配由数字字母开头和一个任意字符组成的两个长度的字符串。
---
 zh/09.2.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/zh/09.2.md b/zh/09.2.md
index e3b1d55a..58f97fdb 100644
--- a/zh/09.2.md
+++ b/zh/09.2.md
@@ -59,7 +59,7 @@
 	r.ParseForm()
 	username := r.Form.Get("username")
 	CleanMap := make(map[string]interface{}, 0)
-	if ok, _ := regexp.MatchString("^[a-zA-Z0-9].$", username); ok {
+	if ok, _ := regexp.MatchString("^[a-zA-Z0-9]+$", username); ok {
 		CleanMap["username"] = username
 	}