trailing regex fix

ui-ngx/src/app/core/utils.ts

@@ -26,7 +26,7 @@ import { TranslateService } from '@ngx-translate/core';
 import { serverErrorCodesTranslations } from '@shared/models/constants';
 
 const varsRegex = /\${([^}]*)}/g;
-export const noLeadTrailSpacesRegex: RegExp = /^(?! )[A-Za-z0-9 ]*(?<! )$/;
+export const noLeadTrailSpacesRegex: RegExp = /^(?! )[\S\s]*(?<! )$/;
 
 export function onParentScrollOrWindowResize(el: Node): Observable<Event> {
   const scrollSubject = new Subject<Event>();