From cf5662abb3541607b0f5ba69fef4a08537b7f9e9 Mon Sep 17 00:00:00 2001
From: Maarten Bicknese <maarten.bicknese@gmail.com>
Date: Wed, 13 Oct 2021 20:52:53 +0200
Subject: [PATCH] Disallow dashes in database prefix (#3089)

As a temporary fix it has been requested to disallow dashes in the database prefix. The installation process fails when the prefix does include a dash.

#3022
---
 framework/core/src/Install/DatabaseConfig.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/framework/core/src/Install/DatabaseConfig.php b/framework/core/src/Install/DatabaseConfig.php
index 89ac46ed5..0fb350a7c 100644
--- a/framework/core/src/Install/DatabaseConfig.php
+++ b/framework/core/src/Install/DatabaseConfig.php
@@ -87,8 +87,8 @@ class DatabaseConfig implements Arrayable
         }
 
         if (! empty($this->prefix)) {
-            if (! preg_match('/^[\pL\pM\pN_-]+$/u', $this->prefix)) {
-                throw new ValidationFailed('The prefix may only contain characters, dashes and underscores.');
+            if (! preg_match('/^[\pL\pM\pN_]+$/u', $this->prefix)) {
+                throw new ValidationFailed('The prefix may only contain characters and underscores.');
             }
 
             if (strlen($this->prefix) > 10) {