diff --git a/lemur/plugins/lemur_aws/plugin.py b/lemur/plugins/lemur_aws/plugin.py
index c563eac8..1c2607a5 100644
--- a/lemur/plugins/lemur_aws/plugin.py
+++ b/lemur/plugins/lemur_aws/plugin.py
@@ -163,7 +163,7 @@ class AWSDestinationPlugin(DestinationPlugin):
             'name': 'accountNumber',
             'type': 'str',
             'required': True,
-            'validation': '/^[0-9]{12,12}$/',
+            'validation': '[0-9]{12}',
             'helpMessage': 'Must be a valid AWS account number!',
         },
         {
@@ -279,14 +279,14 @@ class S3DestinationPlugin(ExportDestinationPlugin):
             'name': 'bucket',
             'type': 'str',
             'required': True,
-            'validation': '/^$|\s+/',
+            'validation': '[0-9a-z.-]{3,63}',
             'helpMessage': 'Must be a valid S3 bucket name!',
         },
         {
             'name': 'accountNumber',
             'type': 'str',
             'required': True,
-            'validation': '/^[0-9]{12,12}$/',
+            'validation': '[0-9]{12}',
             'helpMessage': 'A valid AWS account number with permission to access S3',
         },
         {
@@ -308,7 +308,6 @@ class S3DestinationPlugin(ExportDestinationPlugin):
             'name': 'prefix',
             'type': 'str',
             'required': False,
-            'validation': '/^$|\s+/',
             'helpMessage': 'Must be a valid S3 object prefix!',
         }
     ]
diff --git a/lemur/static/app/angular/destinations/destination/destination.tpl.html b/lemur/static/app/angular/destinations/destination/destination.tpl.html
index 1d240dbb..f2771b49 100644
--- a/lemur/static/app/angular/destinations/destination/destination.tpl.html
+++ b/lemur/static/app/angular/destinations/destination/destination.tpl.html
@@ -47,7 +47,9 @@
             <select name="sub" ng-if="item.type == 'select'" class="form-control" ng-options="i for i in item.available"
                     ng-model="item.value"></select>
             <input name="sub" ng-if="item.type == 'bool'" class="form-control" type="checkbox" ng-model="item.value">
-            <input name="sub" ng-if="item.type == 'str'" type="text" class="form-control" ng-model="item.value"/>
+            <input name="sub" ng-if="item.type == 'str'" type="text" class="form-control" ng-model="item.value" ng-pattern="item.validation"/>
+            <textarea name="sub" ng-if="item.type == 'textarea'" class="form-control"
+                      ng-model="item.value" ng-pattern="item.validation"></textarea>
             <div ng-if="item.type == 'export-plugin'">
               <form name="exportForm" class="form-horizontal" role="form" novalidate>
                 <select class="form-control" ng-model="item.value"
@@ -69,6 +71,8 @@
                                  ng-model="item.value">
                           <input name="sub" ng-if="item.type == 'str'" type="text" class="form-control"
                                  ng-model="item.value" ng-pattern="item.validation"/>
+                          <textarea name="sub" ng-if="item.type == 'textarea'" class="form-control"
+                                    ng-model="item.value" ng-pattern="item.validation"></textarea>
                           <p ng-show="subForm.sub.$invalid && !subForm.sub.$pristine"
                              class="help-block">{{ item.helpMessage }}</p>
                         </div>