diff --git a/ui/src/app/schema-form/widget/filter-target/filter-target.component.html b/ui/src/app/schema-form/widget/filter-target/filter-target.component.html
index fcbd80ab8..f1e04538a 100644
--- a/ui/src/app/schema-form/widget/filter-target/filter-target.component.html
+++ b/ui/src/app/schema-form/widget/filter-target/filter-target.component.html
@@ -78,7 +78,7 @@
                                 <translate-i18n key="message.required-for-regex">Required for Regex</translate-i18n>
                                 &nbsp;
                             </small>
-                            <small class="form-text text-danger px-2" *ngIf="hasErrors$ | async">
+                            <small class="form-text text-danger" *ngIf="hasErrors$ | async">
                                 <ng-container *ngFor="let error of errors$ | async; let first=first;">
                                     <ng-container *ngIf="!first">, </ng-container>
                                     <translate-i18n [key]="error.message">{{ error.message }}</translate-i18n>
diff --git a/ui/src/app/shared/validation/regex.validator.spec.ts b/ui/src/app/shared/validation/regex.validator.spec.ts
index ce8af17ee..4835efd94 100644
--- a/ui/src/app/shared/validation/regex.validator.spec.ts
+++ b/ui/src/app/shared/validation/regex.validator.spec.ts
@@ -11,8 +11,8 @@ describe('RegexValidator', () => {
             expect(RegexValidator.isValidRegex(')')).toBe(false);
         });
 
-        it('should return false if the regex doesnt begin and end with slashes', () => {
-            expect(RegexValidator.isValidRegex('abc')).toBe(false);
+        it('should return true even if the regex doesnt begin and end with slashes', () => {
+            expect(RegexValidator.isValidRegex('abc')).toBe(true);
         });
     });
 });
diff --git a/ui/src/app/shared/validation/regex.validator.ts b/ui/src/app/shared/validation/regex.validator.ts
index be567a0f4..f05fadf8d 100644
--- a/ui/src/app/shared/validation/regex.validator.ts
+++ b/ui/src/app/shared/validation/regex.validator.ts
@@ -1,9 +1,7 @@
-const regexChecker = new RegExp('^\/|\/$', 'g');
-
 export class RegexValidator {
     static isValidRegex(pattern: string): boolean {
         if (!pattern) {
-            return true;
+            return false;
         }
         let regex;
         try {
@@ -11,7 +9,7 @@ export class RegexValidator {
         } catch (err) {
             return false;
         }
-        return regexChecker.test(pattern);
+        return true;
     }
 }