From 15f49182583f45b71d27f6150697a7582f93b7e6 Mon Sep 17 00:00:00 2001
From: Ludovic Poujol <lpoujol@evolix.fr>
Date: Tue, 26 Mar 2019 15:31:45 +0100
Subject: [PATCH] Fix a regression itroduced by
 AlphaNumericalTextInputFormField

---
 evolibs/Form.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/evolibs/Form.php b/evolibs/Form.php
index 700a9a3..3df9cfe 100644
--- a/evolibs/Form.php
+++ b/evolibs/Form.php
@@ -426,7 +426,7 @@ class AlphaNumericalTextInputFormField extends FormField {
             return FALSE;
         }
 
-        if (!preg_match("/^(?!-)(?!_)[[a-zA-Z0-9-_]+(?<!-)(?<!_)$/i", $this->value)) {
+        if (!preg_match("/^(?!-)(?!_)[[a-zA-Z0-9-_]*(?<!-)(?<!_)$/i", $this->value)) {
             if($set_error) $this->error = 'Seul les caractères a-z A-Z 0-9 sont autorisés (- et _ le sont excepté en début et fin)';
             return FALSE;
         }