diff --git a/frontend/src/app/components/search-form/search-form.component.html b/frontend/src/app/components/search-form/search-form.component.html
index 378e38940..e96cd0a57 100644
--- a/frontend/src/app/components/search-form/search-form.component.html
+++ b/frontend/src/app/components/search-form/search-form.component.html
@@ -7,7 +7,13 @@
     
     </div>
     <div>
-      <button [disabled]="isSearching" type="submit" class="btn btn-block btn-primary"><fa-icon [icon]="['fas', 'search']" [fixedWidth]="true" i18n-title="search-form.search-title" title="Search"></fa-icon></button>
+      <button [disabled]="isSearching" type="submit" class="btn btn-block btn-primary">
+        <fa-icon *ngIf="!(isTypeaheading$ | async) else searchLoading" [icon]="['fas', 'search']" [fixedWidth]="true" i18n-title="search-form.search-title" title="Search"></fa-icon>
+      </button>
     </div>
   </div>
 </form>
+
+<ng-template #searchLoading>
+  <div class="spinner-border spinner-border-sm text-light" role="status" aria-hidden="true"></div>
+</ng-template>
diff --git a/frontend/src/app/components/search-form/search-form.component.scss b/frontend/src/app/components/search-form/search-form.component.scss
index 448cb28b3..7c8161196 100644
--- a/frontend/src/app/components/search-form/search-form.component.scss
+++ b/frontend/src/app/components/search-form/search-form.component.scss
@@ -49,4 +49,10 @@ form {
   .btn {
     width: 100px;
   }
-}
\ No newline at end of file
+}
+
+.spinner-border {
+  vertical-align: text-top;
+  margin-top: 1px;
+  margin-right: 2px;
+}
diff --git a/frontend/src/app/components/search-form/search-form.component.ts b/frontend/src/app/components/search-form/search-form.component.ts
index 9ed40700a..a9deccc6b 100644
--- a/frontend/src/app/components/search-form/search-form.component.ts
+++ b/frontend/src/app/components/search-form/search-form.component.ts
@@ -3,8 +3,8 @@ import { FormBuilder, FormGroup, Validators } from '@angular/forms';
 import { Router } from '@angular/router';
 import { AssetsService } from 'src/app/services/assets.service';
 import { StateService } from 'src/app/services/state.service';
-import { Observable, of, Subject, merge, zip } from 'rxjs';
-import { debounceTime, distinctUntilChanged, switchMap, filter, catchError, map } from 'rxjs/operators';
+import { Observable, of, Subject, zip, BehaviorSubject } from 'rxjs';
+import { debounceTime, distinctUntilChanged, switchMap, catchError, map } from 'rxjs/operators';
 import { ElectrsApiService } from 'src/app/services/electrs-api.service';
 import { RelativeUrlPipe } from 'src/app/shared/pipes/relative-url/relative-url.pipe';
 import { ApiService } from 'src/app/services/api.service';
@@ -20,13 +20,14 @@ export class SearchFormComponent implements OnInit {
   network = '';
   assets: object = {};
   isSearching = false;
+  isTypeaheading$ = new BehaviorSubject<boolean>(false);
   typeAhead$: Observable<any>;
   searchForm: FormGroup;
 
   regexAddress = /^([a-km-zA-HJ-NP-Z1-9]{26,35}|[a-km-zA-HJ-NP-Z1-9]{80}|[a-z]{2,5}1[ac-hj-np-z02-9]{8,100}|[A-Z]{2,5}1[AC-HJ-NP-Z02-9]{8,100})$/;
   regexBlockhash = /^[0]{8}[a-fA-F0-9]{56}$/;
-  regexTransaction = /^([a-fA-F0-9]{64}):?(\d+)?$/;
-  regexBlockheight = /^[0-9]+$/;
+  regexTransaction = /^([a-fA-F0-9]{64})(:\d+)?$/;
+  regexBlockheight = /^[0-9]{1,9}$/;
   focus$ = new Subject<string>();
   click$ = new Subject<string>();
 
@@ -68,7 +69,7 @@ export class SearchFormComponent implements OnInit {
           }
           return text.trim();
         }),
-        debounceTime(250),
+        debounceTime(200),
         distinctUntilChanged(),
         switchMap((text) => {
           if (!text.length) {
@@ -80,6 +81,7 @@ export class SearchFormComponent implements OnInit {
               }
             ]);
           }
+          this.isTypeaheading$.next(true);
           if (!this.stateService.env.LIGHTNING) {
             return zip(
               this.electrsApiService.getAddressesByPrefix$(text).pipe(catchError(() => of([]))),
@@ -95,6 +97,7 @@ export class SearchFormComponent implements OnInit {
           );
         }),
         map((result: any[]) => {
+          this.isTypeaheading$.next(false);
           if (this.network === 'bisq') {
             return result[0].map((address: string) => 'B' + address);
           }