diff --git a/src/app/access-control/epeople-registry/eperson-form/eperson-form.component.spec.ts b/src/app/access-control/epeople-registry/eperson-form/eperson-form.component.spec.ts
index b9aeeb0af26..a2661e461dd 100644
--- a/src/app/access-control/epeople-registry/eperson-form/eperson-form.component.spec.ts
+++ b/src/app/access-control/epeople-registry/eperson-form/eperson-form.component.spec.ts
@@ -314,7 +314,7 @@ describe('EPersonFormComponent', () => {
 
     describe('after inserting email wrong should show pattern validation error', () => {
       beforeEach(() => {
-        component.formGroup.controls.email.setValue('test@test');
+        component.formGroup.controls.email.patchValue('test@test');
         fixture.detectChanges();
       });
       it('email should not be valid because the email pattern', () => {
diff --git a/src/app/access-control/epeople-registry/eperson-form/eperson-form.component.ts b/src/app/access-control/epeople-registry/eperson-form/eperson-form.component.ts
index d7d5a0b49c7..a3909495508 100644
--- a/src/app/access-control/epeople-registry/eperson-form/eperson-form.component.ts
+++ b/src/app/access-control/epeople-registry/eperson-form/eperson-form.component.ts
@@ -40,6 +40,7 @@ import { TYPE_REQUEST_FORGOT } from '../../../register-email-form/register-email
 import { DSONameService } from '../../../core/breadcrumbs/dso-name.service';
 import { ActivatedRoute, Router } from '@angular/router';
 import { getEPersonsRoute } from '../../access-control-routing-paths';
+import {VALID_EMAIL_PATTERN} from '../../../core/shared/form-patterns.constants';
 
 @Component({
   selector: 'ds-eperson-form',
@@ -252,7 +253,7 @@ export class EPersonFormComponent implements OnInit, OnDestroy {
         name: 'email',
         validators: {
           required: null,
-          pattern: '^[a-z0-9._%+-]+@[a-z0-9.-]+\\.[a-z]{2,4}$',
+          pattern: VALID_EMAIL_PATTERN,
         },
         required: true,
         errorMessages: {
diff --git a/src/app/core/shared/form-patterns.constants.ts b/src/app/core/shared/form-patterns.constants.ts
new file mode 100644
index 00000000000..5288120d77b
--- /dev/null
+++ b/src/app/core/shared/form-patterns.constants.ts
@@ -0,0 +1,2 @@
+//Patterns for form validations
+export const VALID_EMAIL_PATTERN = /^[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:\.[a-zA-Z0-9-]{0,61})*\.[a-zA-Z]+$/;
diff --git a/src/app/info/feedback/feedback-form/feedback-form.component.ts b/src/app/info/feedback/feedback-form/feedback-form.component.ts
index 684f974701b..931c5d7c484 100644
--- a/src/app/info/feedback/feedback-form/feedback-form.component.ts
+++ b/src/app/info/feedback/feedback-form/feedback-form.component.ts
@@ -14,6 +14,7 @@ import { getHomePageRoute } from '../../../app-routing-paths';
 import { take } from 'rxjs/operators';
 import { NativeWindowRef, NativeWindowService } from '../../../core/services/window.service';
 import { URLCombiner } from '../../../core/url-combiner/url-combiner';
+import {VALID_EMAIL_PATTERN} from '../../../core/shared/form-patterns.constants';
 
 @Component({
   selector: 'ds-feedback-form',
@@ -29,7 +30,7 @@ export class FeedbackFormComponent implements OnInit {
    * Form builder created used from the feedback from
    */
   feedbackForm = this.fb.group({
-    email: ['', [Validators.required, Validators.pattern('^[a-z0-9._%+-]+@[a-z0-9.-]+\\.[a-z]{2,4}$')]],
+    email: ['', [Validators.required, Validators.pattern(VALID_EMAIL_PATTERN)]],
     message: ['', Validators.required],
     page: [''],
   });
diff --git a/src/app/item-page/bitstreams/request-a-copy/bitstream-request-a-copy-page.component.ts b/src/app/item-page/bitstreams/request-a-copy/bitstream-request-a-copy-page.component.ts
index 77e1049d87f..e48ea822a04 100644
--- a/src/app/item-page/bitstreams/request-a-copy/bitstream-request-a-copy-page.component.ts
+++ b/src/app/item-page/bitstreams/request-a-copy/bitstream-request-a-copy-page.component.ts
@@ -20,6 +20,7 @@ import { DSONameService } from '../../../core/breadcrumbs/dso-name.service';
 import { Location } from '@angular/common';
 import { BitstreamDataService } from '../../../core/data/bitstream-data.service';
 import { getItemPageRoute } from '../../item-page-routing-paths';
+import {VALID_EMAIL_PATTERN} from '../../../core/shared/form-patterns.constants';
 
 @Component({
   selector: 'ds-bitstream-request-a-copy-page',
@@ -64,7 +65,7 @@ export class BitstreamRequestACopyPageComponent implements OnInit, OnDestroy {
       }),
       email: new UntypedFormControl('', {
         validators: [Validators.required,
-        Validators.pattern('^[a-z0-9._%+-]+@[a-z0-9.-]+\.[a-z]{2,4}$')]
+        Validators.pattern(VALID_EMAIL_PATTERN)]
       }),
       allfiles: new UntypedFormControl(''),
       message: new UntypedFormControl(''),
diff --git a/src/app/register-email-form/register-email-form.component.ts b/src/app/register-email-form/register-email-form.component.ts
index df7e9bea5ef..477be0c40de 100644
--- a/src/app/register-email-form/register-email-form.component.ts
+++ b/src/app/register-email-form/register-email-form.component.ts
@@ -17,6 +17,7 @@ import {AlertType} from '../shared/alert/alert-type';
 import {KlaroService} from '../shared/cookies/klaro.service';
 import {CookieService} from '../core/services/cookie.service';
 import { Subscription } from 'rxjs';
+import {VALID_EMAIL_PATTERN} from '../core/shared/form-patterns.constants';
 
 export const TYPE_REQUEST_FORGOT = 'forgot';
 export const TYPE_REQUEST_REGISTER = 'register';
@@ -99,7 +100,7 @@ export class RegisterEmailFormComponent implements OnDestroy, OnInit {
       Validators.email,
       // Regex pattern borrowed from HTML5 specs for a valid email address:
       // https://html.spec.whatwg.org/multipage/input.html#valid-e-mail-address
-      Validators.pattern('^[a-zA-Z0-9.!#$%&\'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$')
+      Validators.pattern(VALID_EMAIL_PATTERN)
     ];
     this.form = this.formBuilder.group({
       email: new UntypedFormControl('', {