From aa110ef8aa82c4a3f32166c1bb3d6793f0d5f324 Mon Sep 17 00:00:00 2001
From: Baoshuo <i@baoshuo.ren>
Date: Sun, 19 Mar 2023 21:58:54 +0800
Subject: [PATCH] chore: allow Bxxxx problems

---
 web/app/libs/uoj-validate-lib.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/web/app/libs/uoj-validate-lib.php b/web/app/libs/uoj-validate-lib.php
index 21cf3b0..3aa778e 100644
--- a/web/app/libs/uoj-validate-lib.php
+++ b/web/app/libs/uoj-validate-lib.php
@@ -1,5 +1,5 @@
 <?php
 
 function validateLuoguProblemId($str) {
-	return preg_match('/^P[1-9][0-9]{3,5}$/', $str);
+	return preg_match('/^(P|B)[1-9][0-9]{3,5}$/', $str);
 }