diff --git a/app/src/components/globals/FormField.vue b/app/src/components/globals/FormField.vue
index dca90927..49cdcee6 100644
--- a/app/src/components/globals/FormField.vue
+++ b/app/src/components/globals/FormField.vue
@@ -103,6 +103,7 @@ export default {
       const validation = this.validation
       if (validation && validation.$anyError) {
         const [type, errData] = this.findError(validation.$params, validation)
+        console.log(type, errData)
         return this.$i18n.t('form_errors.' + type, errData)
       }
       return ''
diff --git a/app/src/components/globals/formItems/InputItem.vue b/app/src/components/globals/formItems/InputItem.vue
index 9e6cdfc2..e9c95a1a 100644
--- a/app/src/components/globals/formItems/InputItem.vue
+++ b/app/src/components/globals/formItems/InputItem.vue
@@ -17,6 +17,7 @@
 </template>
 
 <script>
+
 export default {
   name: 'InputItem',
 
@@ -25,7 +26,6 @@ export default {
       autocomplete_: (this.autocomplete) ? this.autocomplete : (this.type === 'password') ? 'new-password' : null
     }
   },
-
   props: {
     value: { type: [String, Number], default: null },
     id: { type: String, default: null },
@@ -38,6 +38,7 @@ export default {
     step: { type: Number, default: null },
     trim: { type: Boolean, default: true },
     autocomplete: { type: String, default: null },
+    pattern: { type: Object, default: null },
     name: { type: String, default: null }
   }
 }
diff --git a/app/src/helpers/yunohostArguments.js b/app/src/helpers/yunohostArguments.js
index edc5def7..ba1008dd 100644
--- a/app/src/helpers/yunohostArguments.js
+++ b/app/src/helpers/yunohostArguments.js
@@ -84,7 +84,7 @@ export function formatYunoHostArgument (arg) {
         if (!arg.help) {
           arg.help = 'good_practices_about_admin_password'
         }
-        arg.example = '••••••••'
+        arg.example = '••••••••••••'
         validation.passwordLenght = validators.minLength(8)
       }
     },
@@ -99,6 +99,7 @@ export function formatYunoHostArgument (arg) {
         if (!isNaN(parseInt(arg.max))) {
           validation.maxValue = validators.maxValue(parseInt(arg.max))
         }
+        validation.numValue = validators.numeric
       }
     },
     {
@@ -192,6 +193,12 @@ export function formatYunoHostArgument (arg) {
   else if (field.component !== 'CheckboxItem' && arg.optional !== true) {
     validation.required = validators.required
   }
+  if (arg.pattern) {
+    // validation.pattern = validators.helpers.withMessage(arg.pattern.error,
+    validation.pattern = validators.helpers.regex(arg.pattern.error, new RegExp(arg.pattern.regexp))
+  }
+
+  // field.props['title'] = field.pattern.error
   // Default value if still `null`
   if (value === null && arg.default) {
     value = arg.default
diff --git a/app/src/i18n/locales/en.json b/app/src/i18n/locales/en.json
index 71d964dc..4e7fc12d 100644
--- a/app/src/i18n/locales/en.json
+++ b/app/src/i18n/locales/en.json
@@ -175,11 +175,13 @@
         "githubLink": "Url must be a valid Github link to a repository",
         "name": "Names may not includes special characters except <code> ,.'-</code>",
         "minValue": "Value must be a number equal or greater than {min}.",
+        "maxValue": "Value must be a number equal or lesser than {min}.",
         "notInUsers": "The user '{value}' already exists.",
         "number": "Value must be a number.",
         "passwordLenght": "Password must be at least 8 characters long.",
         "passwordMatch": "Passwords don't match.",
-        "required": "Field is required."
+        "required": "Field is required.",
+        "pattern": "{type}"
     },
     "form_input_example": "Example: {example}",
     "from_to": "from {0} to {1}",