diff --git a/environment_config.yaml b/environment_config.yaml
index 0778fef..efeb136 100644
--- a/environment_config.yaml
+++ b/environment_config.yaml
@@ -5,12 +5,18 @@ attributes:
     description: 'LDAP domain name'
     weight: 20
     type: "text"
+    regex:
+      source: '^[a-zA-Z0-9._-]+$'
+      error: "Domain do not match regex, e.g.: 'example.com' ."
   url:
     value: ''
     label: 'LDAP URL'
     description: 'URL for connecting to the LDAP server.'
     weight: 25
     type: "text"
+    regex:
+      source: '^ldap:\/\/([a-zA-Z0-9._-]+)(:[0-9]+)?$'
+      error: "LDAP URL do not match regex, e.g.: 'ldap://example.com' ."
   suffix:
     value: 'cn=example,cn=com'
     label: 'LDAP Suffix'
@@ -29,6 +35,9 @@ attributes:
     description: 'Password for the BindDN to query the LDAP server.'
     weight: 35
     type: "password"
+    regex:
+      source: '^\S+$'
+      error: "Plesase remove spaces."
   query_scope:
     value: 'one'
     label: 'LDAP Query Scope'