diff --git a/client/core/src/directives/specs/validation.spec.js b/client/core/src/directives/specs/validation.spec.js
index 5a819aced..f13f0024f 100644
--- a/client/core/src/directives/specs/validation.spec.js
+++ b/client/core/src/directives/specs/validation.spec.js
@@ -145,36 +145,42 @@ describe('Directive validation', () => {
         });
     });
 
-    // it(`should not validate the name as it's format is incorrect`, () => {
-    //     let html = `<form><input type="name" ng-model="user.name" vn-validation="user.name"/></form>`;
-    //     let validations = {User: {validations: {name: [{validation: 'presence'}]}}};
-    //     compile(html, validations, 'spiderman');
-    //     scope.user.name = '';
-    //     scope.$digest();
+    describe('Validator inclusion()', () => {
+        it('should not validate the phone number as it is not an integer', () => {
+            let html = `<form><input type="text" ng-model="user.phone" vn-validation="user.phone"/></form>`;
+            let validations = {User: {validations: {phone: [{validation: 'inclusion'}]}}};
+            compile(html, validations, 'spiderman');
+            scope.user.phone = 'this is not a phone number!';
+            scope.$digest();
 
-    //     expect(element[0].classList).toContain('ng-invalid');
-    //     expect(element[0].classList).not.toContain('ng-valid');
-    // });
+            expect(element[0].classList).toContain('ng-invalid');
+            expect(element[0].classList).not.toContain('ng-valid');
+        });
+    });
 
-    // it(`should validate the email as it's format is correct`, () => {
-    //     let html = `<form><input type="email" ng-model="user.email" vn-validation="user.email"/></form>`;
-    //     let validations = {User: {validations: {email: [{validation: 'presence'}]}}};
-    //     compile(html, validations, 'spiderman');
-    //     scope.user.email = 'user@verdnatura.es';
-    //     scope.$digest();
+    describe('Validator exclusion()', () => {
+        it('should validate the phone number as it is an integer', () => {
+            let html = `<form><input type="text" ng-model="user.phone" vn-validation="user.phone"/></form>`;
+            let validations = {User: {validations: {phone: [{validation: 'exclusion'}]}}};
+            compile(html, validations, 'spiderman');
+            scope.user.phone = '555555555';
+            scope.$digest();
 
-    //     expect(element[0].classList).toContain('ng-valid');
-    //     expect(element[0].classList).not.toContain('ng-invalid');
-    // });
+            expect(element[0].classList).toContain('ng-valid');
+            expect(element[0].classList).not.toContain('ng-invalid');
+        });
+    });
 
-    // it(`should not validate the email as it's missing the @`, () => {
-    //     let html = `<form><input type="email" ng-model="user.email" vn-validation="user.email"/></form>`;
-    //     let validations = {User: {validations: {email: [{validation: 'presence'}]}}};
-    //     compile(html, validations, 'spiderman');
-    //     scope.user.email = 'userverdnatura.es';
-    //     scope.$digest();
+    describe('Validator format()', () => {
+        it('should not validate the email number as it doesnt contain @', () => {
+            let html = `<form><input type="text" ng-model="user.email" vn-validation="user.email"/></form>`;
+            let validations = {User: {validations: {email: [{validation: 'format', with: '@'}]}}};
+            compile(html, validations, 'spiderman');
+            scope.user.email = 'userverdnatura.es';
+            scope.$digest();
 
-    //     expect(element[0].classList).toContain('ng-invalid');
-    //     expect(element[0].classList).not.toContain('ng-valid');
-    // });
+            expect(element[0].classList).toContain('ng-invalid');
+            expect(element[0].classList).not.toContain('ng-valid');
+        });
+    });
 });
diff --git a/client/core/src/lib/validator.js b/client/core/src/lib/validator.js
index 018d1b26e..c29142653 100644
--- a/client/core/src/lib/validator.js
+++ b/client/core/src/lib/validator.js
@@ -34,19 +34,19 @@ export const validators = {
         } else if (!validator.isNumeric(value))
             throw new Error(`Value should be a number`);
     },
-    inclusion: function(value, conf) {
+    inclusion: (value, conf) => {
         if (!validator.isIn(value, conf.in))
             throw new Error(`Invalid value`);
     },
-    exclusion: function(value, conf) {
+    exclusion: (value, conf) => {
         if (validator.isIn(value, conf.in))
             throw new Error(`Invalid value`);
     },
-    format: function(value, conf) {
+    format: (value, conf) => {
         if (!validator.matches(value, conf.with))
             throw new Error(`Invalid value`);
     },
-    custom: function(value, conf) {
+    custom: (value, conf) => {
         if (!conf.bindedFunction(value))
             throw new Error(`Invalid value`);
     }